This information can be found on the product page for each mushroom. In some online communities the general idea is circulating that fruiting body is always preferable over mycelium. This is wrong.

In brief, here's why (it's mainly just common sense !):

  • for some mushrooms the most important active ingredients are actually in the mycelium (Lion’s Mane (erinacines), Turkey Tail (PSP/PSK), Cordyceps CS-4 (no fruiting body extracts exist!))
  • there is a difference between mycelium-on-grains/rice (biomass) and pure mycelium. Biomass should always be avoided as it is contaminated with undigested substrate in the form of starch. This includes all US-cultivated products. We only use pure mycelium, free from starch, if the products properties request the use of mycelium
  • quality claims are only worth something if they are backed with actual test reports. This includes a claim like 'fruiting body extracts are better than mycelium-based extracts' or vice versa. Nice statement, but where is the proof ? Also see our 'I'm confused by all the information online' entry, above. Using ‘we use fruiting bodies only!!’ has the subtext ‘it’s better!’ but actually only reveals the ignorance of the vendor, and the actual specifications, if any (% of glucans, terpenes etc.) usually have no verifiable source or backup in the form of official documents. Only specifying active ingredients is acceptable as proof of superior quality
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