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(max-width:560px){\n.mngs.mngs{padding-left:16px!important;padding-right:16px!important;font-size:16px;border-radius:20px}\n.mngs.mngs h1{font-size:26px!important;line-height:1.14!important;letter-spacing:-.025em!important}\n.mngs.mngs h2{font-size:21px!important;line-height:1.18!important}\n.mngs.mngs h3{font-size:17px!important}\n.mngs.mngs .bc{font-size:12px}\n.mngs.mngs .tw{overflow-x:auto;-webkit-overflow-scrolling:touch}\n.mngs.mngs table{font-size:14px!important}\n.mngs.mngs .pr{font-size:17px}\n.mngs.mngs .pc .btn,.mngs.mngs .card .btn,.mngs.mngs .pk .btn,.mngs.mngs .pkp .btn{width:100%;justify-content:center}\n.mngs.mngs .study div,.mngs.mngs .dark{padding-left:16px;padding-right:16px}\n}\n\u003c\/style\u003e\n\u003cdiv class=\"mngs\"\u003e\u003cdiv class=\"in\"\u003e\n\u003cnav class=\"bc\" aria-label=\"Breadcrumb\"\u003e\u003ca href=\"\/en\"\u003eHome\u003c\/a\u003e\u003cspan\u003e›\u003c\/span\u003e\u003ca href=\"\/en\/pages\/active-ingredients\"\u003eOur active ingredients\u003c\/a\u003e\u003cspan\u003e›\u003c\/span\u003eChaga\u003c\/nav\u003e\n\n\u003cp class=\"k\"\u003eFunctional mushroom\u003c\/p\u003e\n\u003ch1\u003eChaga: the birch mushroom, \u003cspan class=\"hl\"\u003eof the boreal forests\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp class=\"by\"\u003eBy the Mush n Go team · Updated 18 September 2026\u003c\/p\u003e\n\u003cp class=\"chapo\"\u003eThe \u003cstrong\u003eChaga\u003c\/strong\u003e (\u003cem\u003eInonotus obliquus\u003c\/em\u003e) is the black mushroom of the birches of the Far North. It has been drunk in Siberia and Finland for centuries, as an infusion, like a tea. At Mush n Go you take it in capsules with \u003ca href=\"\/en\/products\/immunity\"\u003eImmunity\u003c\/a\u003e or \u003ca href=\"\/en\/products\/muscle-recovery\"\u003eMuscle Recovery\u003c\/a\u003e, or in your coffee with \u003ca href=\"\/en\/products\/super-cafe\"\u003eBrainstoorm\u003c\/a\u003e, at 1,000 mg per cup.\u003c\/p\u003e\n\n\u003cdiv class=\"figs\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e1,000 mg\u003c\/b\u003e\u003cspan\u003eof chaga in every cup of Brainstoorm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e3\u003c\/b\u003e\u003cspan\u003eMush n Go formulas with chaga\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e60 days\u003c\/b\u003e\u003cspan\u003esatisfied or your money back\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e4,8\/5\u003c\/b\u003e\u003cspan\u003eon Trustpilot, 50,000+ customers\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"duo\"\u003e\n\u003cdiv class=\"card s\"\u003e\n\u003ca href=\"\/en\/products\/immunity\" tabindex=\"-1\" aria-hidden=\"true\"\u003e\u003cimg class=\"pi\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0565\/9672\/5878\/files\/immunite-mush-n-go-complement-chaga-reishi-pleurote-systeme-immunitaire.png?v=1772655510\u0026amp;width=640\" alt=\"Immunity Mush n Go\" width=\"640\" height=\"480\" loading=\"eager\"\u003e\u003c\/a\u003e\u003cspan class=\"tag\"\u003eIn capsules\u003c\/span\u003e\u003ch3\u003eImmunity\u003c\/h3\u003e\n\u003cp\u003eChaga combined with Reishi and Oyster mushroom: three mushrooms in one capsule, 1 to 2 capsules in the morning, as a seasonal course.\u003c\/p\u003e\n\u003ca class=\"btn\" href=\"\/en\/products\/immunity\"\u003eDiscover Immunity →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card vv\"\u003e\n\u003ca href=\"\/en\/products\/super-cafe\" tabindex=\"-1\" aria-hidden=\"true\"\u003e\u003cimg class=\"pi\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0565\/9672\/5878\/files\/Frame48099805.png?v=1769786987\u0026amp;width=640\" alt=\"Brainstoorm Mush n Go\" width=\"640\" height=\"480\" loading=\"eager\"\u003e\u003c\/a\u003e\u003cspan class=\"tag\"\u003eIn your coffee\u003c\/span\u003e\u003ch3\u003eBrainstoorm\u003c\/h3\u003e\n\u003cp\u003e1,000 mg of chaga per cup, with Lion's Mane and Cordyceps. Coffee or chocolate-hazelnut flavour, only 20 mg of caffeine.\u003c\/p\u003e\n\u003ca class=\"btn\" href=\"\/en\/products\/super-cafe\"\u003eDiscover Brainstoorm →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cnav class=\"toc\" aria-label=\"Contents\"\u003e\u003cb\u003eContents\u003c\/b\u003e\n\u003col\u003e\n\u003cli\u003e\u003ca href=\"#identite\"\u003eThe fact file\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#histoire\"\u003eA long history\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#sclerote\"\u003eA sclerotium, not a cap\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#recolte\"\u003eHarvesting in the boreal forest\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#molecules\"\u003eWhat it contains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#etudes\"\u003eWhat the studies say\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#dose\"\u003eWhat dose per day\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#the\"\u003eChaga tea\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#cafe\"\u003eChaga and coffee\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#associations\"\u003eThe right combinations\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#choisir\"\u003eChoosing it well\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#danger\"\u003eChaga, oxalates and the thyroid\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eYour questions\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/nav\u003e\n\n\u003cdiv class=\"sec\" id=\"identite\"\u003e\n\u003cp class=\"k\"\u003eThe fact file\u003c\/p\u003e\n\u003ch2\u003eChaga \u003cspan class=\"hl p\"\u003ein brief.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eAt first glance you take it for a lump of charcoal stuck to the bark, or for an old wound on the tree. Here is the essential information about this mushroom that resembles no other.\u003c\/p\u003e\n\u003cdiv class=\"id\"\u003e\n\u003cdiv\u003eLatin name\u003c\/div\u003e\n\u003cdiv\u003e\u003cem\u003eInonotus obliquus\u003c\/em\u003e\u003c\/div\u003e\n\u003cdiv\u003eCommon names\u003c\/div\u003e\n\u003cdiv\u003eChaga, birch mushroom, clinker polypore, \"black gold of Siberia\"\u003c\/div\u003e\n\u003cdiv\u003eElsewhere\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem\u003eTchaga\u003c\/em\u003e in Russia, \u003cem\u003epakurikääpä\u003c\/em\u003e in Finland, \u003cem\u003ebirch conk\u003c\/em\u003e in English\u003c\/div\u003e\n\u003cdiv\u003eHabitat\u003c\/div\u003e\n\u003cdiv\u003eLiving birches of the boreal forests: Russia, Scandinavia, Finland, Canada, northern United States\u003c\/div\u003e\n\u003cdiv\u003eIn Western Europe\u003c\/div\u003e\n\u003cdiv\u003eRare, mostly in mountain areas: the chaga we consume comes from the Far North\u003c\/div\u003e\n\u003cdiv\u003eAppearance\u003c\/div\u003e\n\u003cdiv\u003eA black mass, hard and cracked on the outside, orange-brown inside\u003c\/div\u003e\n\u003cdiv\u003eTaste\u003c\/div\u003e\n\u003cdiv\u003eAs an infusion, mild, woody, with a light vanilla note\u003c\/div\u003e\n\u003cdiv\u003eKey molecules\u003c\/div\u003e\n\u003cdiv\u003ePolyphenols, melanin, triterpenes including betulin, polysaccharides\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"histoire\"\u003e\n\u003cp class=\"k\"\u003eA long history\u003c\/p\u003e\n\u003ch2\u003eFrom the peoples of Siberia to the laboratories.\u003c\/h2\u003e\n\u003cp\u003eChaga does not have the imperial aura of \u003ca href=\"\/en\/collections\/reishi\"\u003eReishi\u003c\/a\u003e. It is a mushroom of farmers, hunters and foresters, drunk daily in regions where tea was rare and expensive.\u003c\/p\u003e\n\u003cdiv class=\"tl\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePrehistory\u003c\/h3\u003e\n\u003cp\u003eYou often read that Ötzi, the iceman found in the Alps, was carrying chaga. That is false: the analyses identified birch polypore and tinder fungus, two other mushrooms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eSiberia\u003c\/h3\u003e\n\u003cp\u003eThe peoples of the taiga have been brewing it for centuries. In Russia it long served as the poor man's tea, in the countryside where real tea cost too much.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e20\u003csup\u003eth\u003c\/sup\u003e century\u003c\/b\u003e\u003cp\u003eRussian and then Finnish researchers take an interest in its composition. During wartime shortages it is said to have served as a coffee substitute in Finland as well.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eToday\u003c\/h3\u003e\n\u003cp\u003eChaga has become one of the most sought-after functional mushrooms in Europe: you now find it in health-food shops and online, in chunks, as powder and as extract.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"sclerote\"\u003e\n\u003cp class=\"k\"\u003eA sclerotium, not a cap\u003c\/p\u003e\n\u003ch2\u003eWhat you see on the birch \u003cspan class=\"hl\"\u003eis not a cap.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThis is chaga's great peculiarity, and it changes everything. The black mass that is harvested is not a fruiting body, that is, not the equivalent of the cap of a porcini or a Reishi. It is a \u003cstrong\u003esclerotium\u003c\/strong\u003e: a very dense mass of mycelium mixed with birch wood, which grows slowly over years.\u003c\/p\u003e\n\u003cp\u003eChaga's true fruiting body does exist, but almost nobody has seen it. It appears only after the tree dies, under the bark, as a thin brown crust that lasts only a few weeks. It has no traditional use at all.\u003c\/p\u003e\n\u003cp\u003eTake care too not to confuse it with a burl, that rounded woody growth you sometimes see on trunks. A burl is covered in bark and is part of the tree; chaga, on the other hand, is black, cracked like burnt charcoal, and orange-brown when you break it open.\u003c\/p\u003e\n\u003cdiv class=\"tw\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e \u003c\/th\u003e\n\u003cth class=\"y\"\u003eSclerotium\u003c\/th\u003e\n\u003cth\u003eFruiting body\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhat it is\u003c\/td\u003e\n\u003ctd class=\"y\"\u003eThe black mass on the living trunk\u003c\/td\u003e\n\u003ctd\u003eA thin crust under the bark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhen\u003c\/td\u003e\n\u003ctd class=\"y\"\u003eAll year round, for years\u003c\/td\u003e\n\u003ctd\u003eAfter the tree dies, a few weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComposition\u003c\/td\u003e\n\u003ctd class=\"y\"\u003eMycelium, birch wood, melanin\u003c\/td\u003e\n\u003ctd\u003eReproductive tissue of the mushroom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTraditional use\u003c\/td\u003e\n\u003ctd class=\"y\"\u003eYes, as an infusion for centuries\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIn supplements\u003c\/td\u003e\n\u003ctd class=\"y\"\u003eThe reference form\u003c\/td\u003e\n\u003ctd\u003ePractically never\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"note\"\u003eFor chaga, the question \"fruiting body or mycelium\" therefore does not arise as it does for other mushrooms: the right answer is the sclerotium harvested on birch.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"recolte\"\u003e\n\u003cp class=\"k\"\u003eHarvesting in the boreal forest\u003c\/p\u003e\n\u003ch2\u003eA mushroom \u003cspan class=\"hl v\"\u003ethat is not cultivated.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eChaga needs a living birch, and time. That is what makes it a product apart, gathered in the wild and not farmed.\u003c\/p\u003e\n\u003cdiv class=\"tl\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eThe forest\u003c\/h3\u003e\n\u003cp\u003eChaga grows in the boreal forests, where birches dominate, from northern Russia to Canada, by way of Finland.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eThe time\u003c\/h3\u003e\n\u003cp\u003eIt develops slowly, over several years, starting from a wound in the bark. A large sclerotium may have taken more than ten years to form.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eThe gathering\u003c\/h3\u003e\n\u003cp\u003eHarvesters detach it with an axe, leaving part of it on the tree so that it can grow back. Many prefer winter, when the forests are accessible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eThe preparation\u003c\/h3\u003e\n\u003cp\u003eIt is then dried, ground, and extracted in hot water to concentrate its compounds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top:16px\"\u003eThere is also \"chaga\" produced in the laboratory, from mycelium grown on grain. That is a different product: it does not grow on birch, and so does not have quite the same composition. Betulin, for example, comes from the tree. Always ask about the origin.\u003c\/p\u003e\n\u003cp\u003eWild harvesting also has its limits: chaga grows slowly and is found on only a small proportion of birches. Responsible gathering, which gives the forest time to renew itself, is one of the quality criteria.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"molecules\"\u003e\n\u003cp class=\"k\"\u003eThe molecules\u003c\/p\u003e\n\u003ch2\u003eWhat the birch \u003cspan class=\"hl\"\u003epasses on to it.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eChaga has an unusual composition, because it lives in part off the wood of its tree. Several families of compounds are found in the sclerotium.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePolyphenols and melanin\u003c\/strong\u003e give chaga its black colour. They are what explain its reputation as a mushroom rich in antioxidants, a reputation based above all on laboratory measurements.\u003c\/p\u003e\n\u003cp\u003eIt is also what explains its ORAC score, the laboratory index that measures a food's capacity to neutralise free radicals \u003cem\u003ein vitro\u003c\/em\u003e: about \u003cstrong\u003e146,700 units per 100 g\u003c\/strong\u003e of chaga, against 15,405 for açaí, 4,669 for blueberry, 4,479 for pomegranate and 1,253 for green tea. To be taken with the same caution as the rest: the ORAC index is measured in a test tube, not in the body, and health authorities have stopped using it as a nutritional argument. It places a composition, it does not predict an effect.\u003c\/p\u003e\n\u003cp\u003eA useful marker when buying, which follows directly from this composition: a serious extract states its \u003cstrong\u003epolysaccharide and triterpene content\u003c\/strong\u003e, and keeps the characteristic black colour of the sclerotium. A grey or beige powder is very likely mycelium grown on grain rather than birch chaga.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTriterpenes\u003c\/strong\u003e, including \u003cstrong\u003ebetulin\u003c\/strong\u003e and \u003cstrong\u003ebetulinic acid\u003c\/strong\u003e, come in part from birch bark, which is very rich in them. It is a signature of chaga grown on birch, and is barely found in mycelium grown on grain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePolysaccharides\u003c\/strong\u003e, including beta-glucans, are present as in most mushrooms, and are recovered in hot water.\u003c\/p\u003e\n\u003cp\u003eWhat to take away: chaga's origin, wild and on birch, counts as much as its dose.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"dark\" id=\"etudes\"\u003e\n\u003cp class=\"k\"\u003eWhat the studies say\u003c\/p\u003e\n\u003ch2\u003eA lot of laboratory work, and we are telling you so.\u003c\/h2\u003e\n\u003cp\u003eLet us be frank: there is no solid clinical trial on chaga in humans today. The bulk of the research has been done in the laboratory, on cells or in animals. What we know for certain concerns its composition, its history and its safety of use.\u003c\/p\u003e\n\u003cdiv class=\"study\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePeintner et al., 1998 · Austria\u003c\/h3\u003e\n\u003cp\u003eThe analysis of the mushrooms found on Ötzi, the iceman. The researchers identify birch polypore and tinder fungus. No chaga, contrary to a very widespread idea.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eGlamočlija et al., 2015 · Serbia\u003c\/h3\u003e\n\u003cp\u003eA chemical characterisation of chaga samples of different origins, with activity tests in the laboratory. It describes the presence of phenolic compounds and triterpenes in the sclerotium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eKikuchi et al., 2014 · Japan\u003c\/h3\u003e\n\u003cp\u003eA clinical case: a 72-year-old woman who had been taking 4 to 5 teaspoons of chaga powder a day for six months developed kidney damage linked to oxalates. A useful reminder: doses matter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top:16px\"\u003eIn short: a long tradition of use, a well-described composition, and human research still to be built. That is why we use chaga at a reasonable, stated dose, and never in \"mega-doses\". The full references are at the \u003ca href=\"#sources\"\u003ebottom of the page\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"dose\"\u003e\n\u003cp class=\"k\"\u003eThe dose\u003c\/p\u003e\n\u003ch2\u003eWhat dose of chaga per day?\u003c\/h2\u003e\n\u003cp\u003eThere is no official dose. Traditional use and the products on the market do, however, give markers, which depend on the form.\u003c\/p\u003e\n\u003cdiv class=\"tw\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003cth class=\"y\"\u003eDaily marker\u003c\/th\u003e\n\u003cth\u003eWhat that represents\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChunks, as an infusion\u003c\/td\u003e\n\u003ctd class=\"y\"\u003eOne to two cups\u003c\/td\u003e\n\u003ctd\u003eTraditional use in Siberia and Finland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConcentrated extract\u003c\/td\u003e\n\u003ctd class=\"y\"\u003e500 mg to 1 g\u003c\/td\u003e\n\u003ctd\u003eThe most common range in supplements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRaw powder\u003c\/td\u003e\n\u003ctd class=\"y\"\u003eIn moderation\u003c\/td\u003e\n\u003ctd\u003eHarder to dose, and rich in oxalates: never exceed the stated dose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrainstoorm\u003c\/td\u003e\n\u003ctd class=\"y\"\u003e1,000 mg per cup\u003c\/td\u003e\n\u003ctd\u003eWith 1,000 mg of Lion's Mane and 1,000 mg of Cordyceps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"note\"\u003eAlways follow the directions for use stated on your product's label. For Immunity: 1 to 2 capsules in the morning. For Muscle Recovery: 1 to 3 capsules in the morning.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"the\"\u003e\n\u003cp class=\"k\"\u003eChaga tea\u003c\/p\u003e\n\u003ch2\u003eThe infusion of the Far North, \u003cspan class=\"hl p\"\u003estep by step.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eIt is the oldest way of consuming chaga, and it remains very pleasant. Unlike Reishi, its infusion is not bitter: it has a mild, woody taste, with a slightly vanilla note.\u003c\/p\u003e\n\u003cdiv class=\"steps\"\u003e\n\u003cdiv\u003e\n\u003ci\u003e1\u003c\/i\u003e\u003ch3\u003eThe chunks\u003c\/h3\u003e\n\u003cp\u003eA few small pieces of dried chaga, the size of a sugar cube, or a spoonful of powder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ci\u003e2\u003c\/i\u003e\u003ch3\u003eThe hot water\u003c\/h3\u003e\n\u003cp\u003eWater just below the boil, not boiling. Let it steep for a long time: from 15 minutes for the powder to several hours for the chunks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ci\u003e3\u003c\/i\u003e\u003ch3\u003eThe tasting\u003c\/h3\u003e\n\u003cp\u003eA coffee-coloured drink, plain or with a little honey. The chunks can be reused two or three times.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top:16px\"\u003eChaga tea has one flaw: the dose varies enormously from one cup to the next. If you want a known amount every day, the extract in a capsule or in a drink remains simpler.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"cafe\"\u003e\n\u003cp class=\"k\"\u003eChaga and coffee\u003c\/p\u003e\n\u003ch2\u003eWhy put it \u003cspan class=\"hl\"\u003ein your cup?\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eChaga has an advantage that is rare among mushrooms: its taste naturally marries with that of coffee. The Finns are even said to have used it as a coffee substitute during the war. It was only logical to put it in the cup you already drink every morning. To go further, discover \u003ca href=\"\/en\/blogs\/articles\/mushroom-drink-recipes\"\u003eour mushroom drink recipes\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eAn espresso provides about 80 mg of caffeine, a large mug far more. Brainstoorm takes the problem differently: \u003cstrong\u003e20 mg of microencapsulated NewCaff® caffeine\u003c\/strong\u003e, released gradually, and \u003cstrong\u003e6,040 mg of actives per cup\u003c\/strong\u003e, including 1,000 mg of chaga, 1,000 mg of lion's mane, 1,000 mg of Cordyceps and 3,000 mg of Maca. That is three times more than competing mushroom coffees, which hover around 3,000 mg. The Chocolate-hazelnut version adds rhodiola and cocoa, for 6,225 mg of actives.\u003c\/p\u003e\n\u003cp\u003eAnd no, there is no mushroom taste at all. The Coffee flavour is mild, with a note of chicory; the Chocolate-hazelnut drinks like a hot chocolate. Hot or cold, with water or milk. All of it produced in Toulouse.\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"btn\" href=\"\/en\/products\/super-cafe\"\u003eTaste Brainstoorm →\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\"\u003e\n\u003cp class=\"k\"\u003eA typical day\u003c\/p\u003e\n\u003ch2\u003eChaga, from waking up to the workout.\u003c\/h2\u003e\n\u003cp\u003eTo give you a concrete idea, here is how our customers most often fit it into their day, depending on the season and their profile.\u003c\/p\u003e\n\u003cdiv class=\"tl\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003e7:30 am\u003c\/h3\u003e\n\u003cp\u003eA cup of Brainstoorm at breakfast, in place of the usual coffee: 1,000 mg of chaga, and the same habit as before.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e8 am\u003c\/h3\u003e\n\u003cp\u003eWhen autumn arrives, 1 to 2 Immunity capsules with a glass of water, as a seasonal course, with Reishi and Oyster mushroom.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e8:30 am\u003c\/h3\u003e\n\u003cp\u003eOn training days, 1 to 3 Muscle Recovery capsules, which combine chaga with Cordyceps, \u003ca href=\"\/en\/collections\/turmeric\"\u003eTurmeric\u003c\/a\u003e and Boswellia.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eAt the weekend\u003c\/h3\u003e\n\u003cp\u003eA homemade chaga tea, brewed unhurriedly in a teapot, for the pleasure of the woody taste.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\"\u003e\n\u003cp class=\"k\"\u003eWhat they say about it\u003c\/p\u003e\n\u003ch2\u003eTrustpilot reviews, reproduced as they are.\u003c\/h2\u003e\n\u003cdiv class=\"vq\"\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\"I was sceptical and in the end I am won over. Less caffeine and yet I am full of beans, with a steady mood\"\u003c\/p\u003e\n\u003ccite\u003e\u003cspan class=\"st\"\u003e★★★★★\u003c\/span\u003eMaïté S., 4 April 2026 · Brainstoorm\u003c\/cite\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\"normal coffee gave me stomach ache, now my stomach has settled and I feel great\"\u003c\/p\u003e\n\u003ccite\u003e\u003cspan class=\"st\"\u003e★★★★★\u003c\/span\u003eSonia L., 27 August 2026 · Brainstoorm\u003c\/cite\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"associations\"\u003e\n\u003cp class=\"k\"\u003eThe right combinations\u003c\/p\u003e\n\u003ch2\u003eChaga plays \u003cspan class=\"hl\"\u003eas a team.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eCombined with other ingredients, it finds its place in a more complete routine. Here are the combinations in \u003ca href=\"\/en\/collections\/our-products\"\u003eour formulas\u003c\/a\u003e, and why.\u003c\/p\u003e\n\u003cdiv class=\"syn\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003e+ Reishi and Oyster mushroom\u003c\/h3\u003e\n\u003cp\u003eThree mushrooms brought together in Immunity: birch chaga, Reishi and \u003ca href=\"\/en\/collections\/oyster-mushroom\"\u003eOyster mushroom\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e+ Lion's Mane and Cordyceps\u003c\/h3\u003e\n\u003cp\u003eBrainstoorm's mushroom trio, 1,000 mg of each per cup, with \u003ca href=\"\/en\/collections\/lions-mane\"\u003eLion's Mane\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/cordyceps\"\u003eCordyceps\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e+ Turmeric and Boswellia\u003c\/h3\u003e\n\u003cp\u003eTwo traditional plants brought together with chaga and Cordyceps in Muscle Recovery, for the post-training routine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e+ Maca and chicory\u003c\/h3\u003e\n\u003cp\u003eThe Andean root and chicory, which give Brainstoorm its rounded taste and its coffee note.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\"\u003e\n\u003cp class=\"k\"\u003eWho it is for\u003c\/p\u003e\n\u003ch2\u003eChaga is made for you if…\u003c\/h2\u003e\n\u003cul class=\"checks\"\u003e\n\u003cli\u003eYou like wild ingredients, with a real history of use.\u003c\/li\u003e\n\u003cli\u003eYou want a seasonal routine, as autumn arrives and through the winter.\u003c\/li\u003e\n\u003cli\u003eYou play sport and look after your post-effort routine.\u003c\/li\u003e\n\u003cli\u003eYou want to cut down on coffee without giving up the taste of the morning.\u003c\/li\u003e\n\u003cli\u003eYou like to understand what you take, dose by dose.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"choisir\"\u003e\n\u003cp class=\"k\"\u003eChoosing it well\u003c\/p\u003e\n\u003ch2\u003eSix criteria so you do not \u003cspan class=\"hl v\"\u003eget it wrong.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003col class=\"src\" style=\"font-size:16px;color:var(--i)\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe origin\u003c\/strong\u003e: wild sclerotium harvested on birch, in the boreal forest.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe format\u003c\/strong\u003e: a hot-water extract rather than a raw powder, to release its compounds better.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe real dose\u003c\/strong\u003e: milligrams per serving, reasonable ones, not \"mega-doses\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe traceability\u003c\/strong\u003e: an origin and a part used clearly stated on the label.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe manufacturing\u003c\/strong\u003e: an identified place. With us, the recipes are developed and produced in Toulouse, France, by a French contract manufacturer, vegan, GMO-free and gluten-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe guarantee\u003c\/strong\u003e: enough to try it risk-free. With us, 60 days satisfied or your money back, and the choice between a one-off purchase and a monthly subscription (−30%).\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"tw\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e \u003c\/th\u003e\n\u003cth\u003eImmunity\u003c\/th\u003e\n\u003cth class=\"y\"\u003eBrainstoorm\u003c\/th\u003e\n\u003cth\u003eMuscle Recovery\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm\u003c\/td\u003e\n\u003ctd\u003eCapsules\u003c\/td\u003e\n\u003ctd class=\"y\"\u003eCoffee or chocolate\u003c\/td\u003e\n\u003ctd\u003eCapsules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe moment\u003c\/td\u003e\n\u003ctd\u003eIn the morning\u003c\/td\u003e\n\u003ctd class=\"y\"\u003eIn place of your coffee\u003c\/td\u003e\n\u003ctd\u003eAfter training\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChaga with\u003c\/td\u003e\n\u003ctd\u003eReishi, Oyster mushroom\u003c\/td\u003e\n\u003ctd class=\"y\"\u003eLion's Mane, Cordyceps, Maca, Ashwagandha\u003c\/td\u003e\n\u003ctd\u003eCordyceps, Turmeric, Boswellia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaffeine\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003ctd class=\"y\"\u003e20 mg per cup\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"note\"\u003eThe \u003ca href=\"\/en\/products\/discovery-pack\"\u003eDiscovery Pack\u003c\/a\u003e is a good way in if you want to taste several of our formulas before choosing.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"danger\"\u003e\n\u003cp class=\"k\"\u003eChaga, oxalates and the thyroid\u003c\/p\u003e\n\u003ch2\u003eChaga and risk: what you need to know.\u003c\/h2\u003e\n\u003cp\u003eChaga has been drunk for centuries and is generally well tolerated at the usual doses. It does, however, have one feature that cannot be passed over in silence: it is \u003cstrong\u003erich in oxalates\u003c\/strong\u003e, the same compounds as in spinach or rhubarb. At a high dose and over time, oxalates can be deposited in the kidneys. That is what happened in the Japanese case described above, with several spoonfuls of powder a day for months.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChaga and the thyroid\u003c\/strong\u003e: this is a frequent question. To date, no direct interaction between chaga and the thyroid has been established. Chaga is, however, studied in the laboratory in connection with immunity, and many thyroid disorders, such as Hashimoto's or Graves' disease, are autoimmune in origin. As a precaution, if this concerns you or if you take thyroid medication, talk to your doctor before starting.\u003c\/p\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cp style=\"margin:0\"\u003eThe right reflexes before taking chaga:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAvoid it if you have a history of kidney stones, kidney failure or a mushroom allergy.\u003c\/li\u003e\n\u003cli\u003eAsk your doctor for advice if you are pregnant, breastfeeding, or following an anticoagulant, antidiabetic or immunosuppressant treatment: work in animals and in the laboratory suggests an effect on coagulation and blood sugar.\u003c\/li\u003e\n\u003cli\u003eThe same caution applies with an autoimmune disease, and before surgery.\u003c\/li\u003e\n\u003cli\u003eStick to the dose stated on the label, drink enough water, and keep it out of the reach of children.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top:16px\"\u003eFor an overview, read our article on \u003ca href=\"\/en\/blogs\/articles\/adaptogenic-mushrooms-side-effects\"\u003ethe risks of adaptogenic mushrooms and plants\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec faq\" id=\"faq\"\u003e\n\u003cp class=\"k\"\u003eYour questions\u003c\/p\u003e\n\u003ch2\u003eEverything we get asked about chaga.\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eWhat is chaga used for?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eChaga is mostly taken as a seasonal or daily routine, as an infusion or an extract. It has been drunk for centuries in Siberia and Finland, and is now one of the most widely consumed \u003ca href=\"\/en\/pages\/mushrooms-and-adaptogenic-plants\"\u003efunctional mushrooms\u003c\/a\u003e in Europe.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eWhy is it called the birch mushroom?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eBecause it grows almost exclusively on living birches. From them it draws part of its compounds, such as betulin, present in the white bark of the tree.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eIs chaga really a mushroom?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eYes, but the part harvested is not a fruiting body: it is a sclerotium, a dense mass of mycelium and wood. The true fruiting body appears only after the tree dies and is not used.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eIs chaga dangerous?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eNo, at the usual doses it is generally well tolerated. It is, however, rich in oxalates: avoid high doses over long periods, and seek medical advice in case of kidney problems or anticoagulant or antidiabetic treatment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eChaga and the thyroid: is there a risk?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eNo direct interaction has been established. As many thyroid disorders are autoimmune, medical advice is recommended before starting if this concerns you or if you are on treatment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eWhat are the side effects of chaga?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eThey are rare at the usual doses, most often mild digestive discomfort. The main point to watch concerns oxalates, at high doses and over time.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eWhat dose of chaga per day?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eSupplements most often offer 500 mg to 1 g of extract per day. A cup of Brainstoorm provides 1,000 mg of chaga. For the capsules, follow the directions for use of each formula.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eHow do you prepare chaga tea?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eSteep a few chunks in water just below the boil, from fifteen minutes for the powder to several hours for the chunks. The taste is mild and woody, with no bitterness.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eWhen should you take chaga?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eIn the morning, as a capsule or in your coffee, or after training with Muscle Recovery. What matters is consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eCan you take chaga with coffee?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eYes, and that is precisely the principle behind Brainstoorm: chaga, lion's mane and Cordyceps are directly in your cup, with only 20 mg of caffeine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eIs chaga vegan?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eYes, it is a mushroom. All our chaga formulas are vegan, GMO-free and gluten-free.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eWhere can you buy quality chaga?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp\u003eDirectly on mushngo.com, with free delivery from €59 in France and €69 to €89 across Europe, depending on the destination, a one-off purchase or a monthly subscription (−30%) as you prefer, and 60 days satisfied or your money back. The recipes are developed and produced in Toulouse, France, by a French contract manufacturer.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"sources\"\u003e\n\u003cp class=\"k\"\u003eSources\u003c\/p\u003e\n\u003col class=\"src\"\u003e\n\u003cli\u003ePeintner U., Pöder R. and Pümpel T. (1998). The iceman's fungi. \u003cem\u003eMycological Research\u003c\/em\u003e, 102(10).\u003c\/li\u003e\n\u003cli\u003eKikuchi Y. et al. (2014). Chaga mushroom-induced oxalate nephropathy. \u003cem\u003eClinical Nephrology\u003c\/em\u003e, 81(6).\u003c\/li\u003e\n\u003cli\u003eGlamočlija J. et al. (2015). Chemical characterization and biological activity of Chaga (\u003cem\u003eInonotus obliquus\u003c\/em\u003e), a medicinal \"mushroom\". \u003cem\u003eJournal of Ethnopharmacology\u003c\/em\u003e, 162.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"sec\" id=\"produits\"\u003e\n\u003cp class=\"k\"\u003ePut it into practice\u003c\/p\u003e\n\u003ch2\u003eChaga, \u003cspan class=\"hl\"\u003ethe Mush n Go version.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eYou now know all about chaga and what to look for on a label. Here is where to find it with us, with vegan formulas whose recipes are developed and produced in Toulouse, France, by a French contract manufacturer, and guaranteed 60 days satisfied or your money back.\u003c\/p\u003e\n\u003cdiv class=\"duo\" style=\"margin-top:14px\"\u003e\n\u003cdiv class=\"card s\"\u003e\n\u003ca href=\"\/en\/products\/immunity\" tabindex=\"-1\" aria-hidden=\"true\"\u003e\u003cimg class=\"pi\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0565\/9672\/5878\/files\/immunite-mush-n-go-complement-chaga-reishi-pleurote-systeme-immunitaire.png?v=1772655510\u0026amp;width=640\" alt=\"Immunity Mush n Go\" width=\"640\" height=\"480\" loading=\"lazy\"\u003e\u003c\/a\u003e\u003cspan class=\"tag\"\u003eIn capsules\u003c\/span\u003e\u003ch3\u003eImmunity\u003c\/h3\u003e\n\u003cp\u003eChaga combined with Reishi and Oyster mushroom: three mushrooms in one capsule, 1 to 2 capsules in the morning, as a seasonal course.\u003c\/p\u003e\n\u003ca class=\"btn\" href=\"\/en\/products\/immunity\"\u003eDiscover Immunity →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card vv\"\u003e\n\u003ca href=\"\/en\/products\/super-cafe\" tabindex=\"-1\" aria-hidden=\"true\"\u003e\u003cimg class=\"pi\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0565\/9672\/5878\/files\/Frame48099805.png?v=1769786987\u0026amp;width=640\" alt=\"Brainstoorm Mush n Go\" width=\"640\" height=\"480\" loading=\"lazy\"\u003e\u003c\/a\u003e\u003cspan class=\"tag\"\u003eIn your coffee\u003c\/span\u003e\u003ch3\u003eBrainstoorm\u003c\/h3\u003e\n\u003cp\u003e1,000 mg of chaga per cup, with Lion's Mane and Cordyceps. Coffee or chocolate-hazelnut flavour, only 20 mg of caffeine.\u003c\/p\u003e\n\u003ca class=\"btn\" href=\"\/en\/products\/super-cafe\"\u003eDiscover Brainstoorm →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cp class=\"k\"\u003eThe other ingredients\u003c\/p\u003e\n\u003ch2\u003eKeep exploring.\u003c\/h2\u003e\n\u003cp\u003eChaga is only one of the ingredients in our formulas. Discover the other mushrooms and the plants that go with it, or browse \u003ca href=\"\/en\/pages\/active-ingredients\"\u003eall our active ingredients\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"more\"\u003e\n\u003ca href=\"\/en\/collections\/reishi\"\u003eReishi\u003c\/a\u003e\u003ca href=\"\/en\/collections\/oyster-mushroom\"\u003eOyster mushroom\u003c\/a\u003e\u003ca href=\"\/en\/collections\/cordyceps\"\u003eCordyceps\u003c\/a\u003e\u003ca href=\"\/en\/collections\/lions-mane\"\u003eLion's Mane\u003c\/a\u003e\u003ca href=\"\/en\/collections\/turmeric\"\u003eTurmeric\u003c\/a\u003e\u003ca href=\"\/en\/collections\/boswellia\"\u003eBoswellia\u003c\/a\u003e\u003ca href=\"\/en\/pages\/active-ingredients\"\u003eAll our ingredients\u003c\/a\u003e\u003ca href=\"\/en\/collections\/saffron\"\u003eSaffron\u003c\/a\u003e\u003ca href=\"\/en\/collections\/bacopa\"\u003eBacopa\u003c\/a\u003e\u003ca href=\"\/en\/collections\/ginger\"\u003eGinger\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n\u003cdiv class=\"mng-dossier\"\u003e\n\u003ch2\u003eIn this dossier\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"\/en\/blogs\/articles\/mushroom-coffee-benefits-side-effects\"\u003eMushroom coffee: benefits, risks and our honest view\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cstyle\u003e:root{--satc-h:78px}body{padding-bottom:78px}main.content-for-layout{contain:none!important}.mng-sticky{position:fixed;left:0;right:0;bottom:0;z-index:45;background:#EEE4DB;border-top:1px solid rgba(30,30,30,.12);box-shadow:0 -14px 30px -18px rgba(30,30,30,.35);padding:10px 16px calc(10px + env(safe-area-inset-bottom));font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:#1E1E1E}.mng-sticky .in{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:12px}.mng-sticky img{width:52px;height:52px;border-radius:12px;object-fit:cover;background:#F3EEEA;border:1px solid rgba(30,30,30,.12);flex:none}.mng-sticky .t{min-width:0;flex:1;line-height:1.2;text-align:left}.mng-sticky .t span{display:block;font-size:13.5px;font-weight:700;color:#4E4D4C;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mng-sticky .t b{display:block;font-family:'Sora',system-ui,sans-serif;font-size:18px;font-weight:800;letter-spacing:-.02em}.mng-sticky .t i{font-style:normal;color:#00875A;letter-spacing:1px;font-size:12px;margin-right:4px}.mng-sticky .t em{font-style:normal;font-size:12.5px;font-weight:700;color:#4E4D4C}.mng-sticky a{flex:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:12px 22px;border-radius:999px;background:#F0D96A;color:#1E1E1E!important;font-family:'Sora',system-ui,sans-serif;font-weight:800;font-size:16px;text-decoration:none!important;box-shadow:0 12px 26px -12px rgba(160,140,40,.9);transition:transform .35s cubic-bezier(.32,.72,0,1),background .25s}.mng-sticky a:hover{transform:translateY(-2px);background:#D8C35F}.mng-sticky a:focus-visible{outline:3px solid #5E3EAB;outline-offset:3px}@media(min-width:768px) and (max-width:1420px){.mng-sticky{padding-right:112px}}@media(max-width:560px){.mng-sticky img{width:44px;height:44px}.mng-sticky .t em{display:none}.mng-sticky a{padding:11px 16px;font-size:15px;min-height:46px}}@media(max-width:380px){.mng-sticky img{display:none}}@media(prefers-reduced-motion:reduce){.mng-sticky a{transition:none}}\u003c\/style\u003e\u003cdiv class=\"mng-sticky\" role=\"complementary\" aria-label=\"Recommended product\"\u003e\u003cdiv class=\"in\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0565\/9672\/5878\/files\/Frame48099805.png?v=1769786987\u0026amp;width=120\" alt=\"Brainstoorm Mush n Go\" width=\"52\" height=\"52\" loading=\"lazy\"\u003e\u003cdiv class=\"t\"\u003e\n\u003cspan\u003e1,000 mg of chaga per cup\u003c\/span\u003e\u003cb\u003eBrainstoorm\u003c\/b\u003e\u003ci\u003e★★★★★\u003c\/i\u003e\u003cem\u003e4.8\/5 · 60 days satisfied or your money back\u003c\/em\u003e\n\u003c\/div\u003e\n\u003ca href=\"\/en\/products\/super-cafe\"\u003eDiscover →\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"CollectionPage\", \"@id\": \"https:\/\/mushngo.com\/en\/collections\/chaga#page\", \"url\": \"https:\/\/mushngo.com\/en\/collections\/chaga\", \"name\": \"Chaga: the birch mushroom, of the boreal forests\", \"headline\": \"Chaga: the birch mushroom, of the boreal forests\", \"description\": \"Chaga, the birch mushroom: sclerotium, harvesting, tea, oxalates and the thyroid. 1,000 mg per cup of Brainstoorm, and in Immunity and Muscle Recovery.\", \"inLanguage\": \"en\", \"isPartOf\": {\"@type\": \"WebSite\", \"@id\": \"https:\/\/mushngo.com\/en\/#website\", \"url\": \"https:\/\/mushngo.com\/en\/\", \"name\": \"Mush n Go\"}, \"breadcrumb\": {\"@id\": \"https:\/\/mushngo.com\/en\/collections\/chaga#breadcrumb\"}, \"about\": {\"@id\": \"https:\/\/mushngo.com\/en\/collections\/chaga#taxon\"}, \"mainEntity\": {\"@id\": \"https:\/\/mushngo.com\/en\/collections\/chaga#taxon\"}, \"primaryImageOfPage\": {\"@type\": \"ImageObject\", \"url\": \"https:\/\/cdn.shopify.com\/s\/files\/1\/0565\/9672\/5878\/collections\/chaga.png?v=1716375415\"}, \"datePublished\": \"2026-09-18\", \"dateModified\": \"2026-09-18\", \"author\": {\"@type\": \"Organization\", \"name\": \"Mush n Go\", \"url\": \"https:\/\/mushngo.com\/en\/\"}, \"publisher\": {\"@type\": \"Organization\", \"name\": \"Mush n Go\", \"url\": \"https:\/\/mushngo.com\/en\/\", \"logo\": {\"@type\": \"ImageObject\", \"url\": \"https:\/\/mushngo.com\/cdn\/shop\/files\/logo_30f96867-f197-4ea9-a646-c9eb70ab65bb.png?v=1716534358\u0026width=500\"}}}, {\"@type\": \"Taxon\", \"@id\": \"https:\/\/mushngo.com\/en\/collections\/chaga#taxon\", \"name\": \"Inonotus obliquus\", \"alternateName\": [\"Chaga\"], \"taxonRank\": \"species\", \"sameAs\": [\"https:\/\/fr.wikipedia.org\/wiki\/Inonotus_obliquus\"]}, {\"@type\": \"BreadcrumbList\", \"@id\": \"https:\/\/mushngo.com\/en\/collections\/chaga#breadcrumb\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/mushngo.com\/en\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Our active ingredients\", \"item\": \"https:\/\/mushngo.com\/en\/pages\/active-ingredients\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Chaga\", \"item\": \"https:\/\/mushngo.com\/en\/collections\/chaga\"}]}, {\"@type\": \"FAQPage\", \"@id\": \"https:\/\/mushngo.com\/en\/collections\/chaga#faq\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is chaga used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Chaga is mostly taken as a seasonal and everyday routine, as an infusion or an extract. It has been drunk for centuries in Siberia and Finland, and it is today one of the most consumed functional mushrooms in Europe.\"}}, {\"@type\": \"Question\", \"name\": \"Why is it called the birch mushroom?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Because it grows almost exclusively on living birches. From them it draws part of its compounds, such as betulin, present in the white bark of the tree.\"}}, {\"@type\": \"Question\", \"name\": \"Is chaga really a mushroom?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, but the part harvested is not a fruiting body: it is a sclerotium, a dense mass of mycelium and wood. The true fruiting body appears only after the tree dies and is not used.\"}}, {\"@type\": \"Question\", \"name\": \"Is chaga dangerous?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, at the usual doses it is generally well tolerated. It is, however, rich in oxalates: avoid high doses over long periods, and seek medical advice in case of kidney problems or anticoagulant or antidiabetic treatment.\"}}, {\"@type\": \"Question\", \"name\": \"Chaga and the thyroid: is there a risk?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No direct interaction has been established. As many thyroid disorders are autoimmune, medical advice is recommended before starting if this concerns you or if you are on treatment.\"}}, {\"@type\": \"Question\", \"name\": \"What are the side effects of chaga?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"They are rare at the usual doses, most often mild digestive discomfort. The main point to watch concerns oxalates, at high doses and over time.\"}}, {\"@type\": \"Question\", \"name\": \"What dose of chaga per day?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Supplements most often offer 500 mg to 1 g of extract per day. A cup of Brainstoorm provides 1,000 mg of chaga. For the capsules, follow the directions for use of each formula.\"}}, {\"@type\": \"Question\", \"name\": \"How do you prepare chaga tea?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Steep a few chunks in water just below the boil, from fifteen minutes for the powder to several hours for the chunks. The taste is mild and woody, with no bitterness.\"}}, {\"@type\": \"Question\", \"name\": \"When should you take chaga?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In the morning, as a capsule or in your coffee, or after training with Muscle Recovery. What matters is consistency.\"}}, {\"@type\": \"Question\", \"name\": \"Can you take chaga with coffee?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, and that is precisely the principle behind Brainstoorm: chaga, lion's mane and Cordyceps are directly in your cup, with only 20 mg of caffeine.\"}}, {\"@type\": \"Question\", \"name\": \"Is chaga vegan?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, it is a mushroom. All our chaga formulas are vegan, GMO-free and gluten-free.\"}}, {\"@type\": \"Question\", \"name\": \"Where can you buy quality chaga?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Directly on mushngo.com, with free delivery from €59 in France and €69 to €89 across Europe, depending on the destination, a one-off purchase or a monthly subscription (−30%) as you prefer, and 60 days satisfied or your money back. The recipes are developed and produced in Toulouse, France, by a French contract manufacturer.\"}}]}]}\u003c\/script\u003e","products":[{"product_id":"recuperation-musculaire","title":"Muscle Recovery","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003e💪 \u003cstrong\u003eMuscle Recovery by Mush n Go\u003c\/strong\u003e 💪\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDiscover \u003cstrong\u003eMuscle Recovery\u003c\/strong\u003e, a powerful blend of adaptogenic mushrooms and plants specially designed to \u003cstrong\u003esupport your post-workout recovery and improve your muscular well-being.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e⚡ \u003cstrong\u003eOptimise your recovery\u003c\/strong\u003e, \u003cstrong\u003ereduce inflammation and promote fast, effective muscle regeneration\u003c\/strong\u003e - so you're ready to take on your next challenges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e🏋️♀️ Say goodbye to \u003cstrong\u003elingering soreness\u003c\/strong\u003e, \u003cstrong\u003epost-workout pain\u003c\/strong\u003e and get back to \u003cstrong\u003eoptimal vitality\u003c\/strong\u003e faster. Our formula is designed to \u003cstrong\u003esupport your body after every intense workout session\u003c\/strong\u003e, while helping you bounce back \u003cstrong\u003efaster and stronger\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMade from \u003cstrong\u003enatural ingredients, Muscle Recovery\u003c\/strong\u003e is a perfectly dosed capsule formula that's \u003cstrong\u003eeasy to add\u003c\/strong\u003e to your post-workout routine. \u003cstrong\u003eGMO-free, vegan, and gluten-free\u003c\/strong\u003e, each capsule contains carefully selected ingredients to support your muscles and joints. 🌱\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e🍄 Our \u003cstrong\u003eadaptogenic mushrooms\u003c\/strong\u003e are not hallucinogenic nor micro-dosing, so they are \u003cstrong\u003efree of side effects \u003c\/strong\u003eand non-addictive. Perfectly \u003cstrong\u003elegal and safe\u003c\/strong\u003e to consume anywhere in the world.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMuscle Recovery is \u003cb\u003eeasy to use\u003c\/b\u003e - just take one capsule with water after your workout.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe formula is designed to \u003cstrong\u003efit naturally into your recovery routine\u003c\/strong\u003e! 💪\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIngredients: Cordyceps, Chaga, Turmeric, Boswellia\u003c\/strong\u003e\u003c\/p\u003e","brand":"Mushngo","offers":[{"title":"1 box","offer_id":40580926963830,"sku":"LAB-MG-GEL-MUS-1","price":42.71,"currency_code":"EUR","in_stock":false},{"title":"2 boxes","offer_id":54828509593974,"sku":"LAB-MG-GEL-MUS-2","price":71.29,"currency_code":"EUR","in_stock":false},{"title":"3 boxes","offer_id":40580927029366,"sku":"LAB-MG-GEL-MUS-3","price":99.86,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/9672\/5878\/files\/recuperation-musculaire-mush-n-go-complement-cordyceps-chaga-performance.png?v=1772654621"},{"product_id":"immunite","title":"Immunity","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003e🍄 \u003cstrong\u003eImmunity by Mush n Go\u003c\/strong\u003e 🍄\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDiscover \u003cstrong\u003eImmunity\u003c\/strong\u003e, a powerful blend of mushrooms and adaptogens designed to \u003cstrong\u003enaturally strengthen your immune defences and improve your overall resistance.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e🛡️ Boost your \u003cstrong\u003eimmune system\u003c\/strong\u003e, strengthen your \u003cstrong\u003enatural defences\u003c\/strong\u003e and protect yourself from \u003cstrong\u003eexternal aggressions\u003c\/strong\u003e - \u003cstrong\u003efor top vitality and energy all year round\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e💪 Thanks to Immunity, \u003cstrong\u003efight off bouts of fatigue\u003c\/strong\u003e, \u003cstrong\u003ekeep your body in great shape and better withstand the change of seasons\u003c\/strong\u003e. Our formula is designed to \u003cstrong\u003esupport your defences and help you stay at your very best.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMade with \u003cstrong\u003enatural ingredients\u003c\/strong\u003e, \u003cstrong\u003eImmunity\u003c\/strong\u003e is a perfectly dosed capsule formula that is \u003cstrong\u003eeasy to fit\u003c\/strong\u003e into your daily routine. \u003cstrong\u003eGMO-free, vegan, and gluten-free\u003c\/strong\u003e, each capsule contains carefully selected ingredients to \u003cstrong\u003eoptimise your immune system and your general well-being.\u003c\/strong\u003e 🌱\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e🍄 Our \u003cstrong\u003eadaptogenic mushrooms\u003c\/strong\u003e are not hallucinogenic nor microdosing, so they are \u003cstrong\u003efree of side effects\u003c\/strong\u003e and carry no risk of dependence. 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