We source our raw materials based on the objective quality. We use third party laboratories to determine that quality and, of course, the safety. We test for both active ingredients and contamination, such as heavy metals and radioactive isotopes, all in all for ± 30 compounds.
We ignore geographical location and we use several suppliers, changing to another supplier if the quality is better there.
Marketing has led many people to believe it matters where the mushrooms have been sourced. Like, Siberian Chaga is always best, Japanese Reishi is always preferable, Chinese mushrooms are always best avoided, etc...
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