Given that coenzyme Q10 supplements can be beneficial, how much is actually contained in the formulation?

Nutritional supplements are far less strictly regulated than medicines.  That’s why the labels of these products always contain language that looks something like, “these statements have not been verified by the FDA.”  That’s for their claims of benefits, but it can potentially be even worse…they might not even contain what they say they contain.  To investigate that situation with the “trendy” supplement coenzyme Q10, a multilaboratory coalition characterized the Q10 content of a variety of products.  The labs all prepared their precise reagents with the help of an analytical balance.

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