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They work through entirely different mechanisms than copper peptides
Institute of Medicine Food and Nutrition Board on the Scientific Evaluation of Dietary Reference Intakes Dietary reference intakes for thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin, and choline: National Academies Press (US)
Some people notice subtle shifts, perhaps slightly easier sleep onset or marginally improved morning alertness, but many notice nothing at all
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