Question
Is Vitamin B3 (niacin / nicotinamide) legit?
In context of Vitamin B3 (niacin / nicotinamide)·Promising74/100
In our editorial model, Vitamin B3 (niacin / nicotinamide) maps to a Promising verdict at 74/100 overall (evidence 78/100, safety 80/100, hype gap 44/100). Lipid management (prescription niacin era); NAD+ marketing adjacency. Typical label framing: RDA ~14-16 mg NE/day; immediate-release niacin flush doses often 100-500+ mg - hepatotoxicity risk at high sustained doses.
Full ingredient file
This page is a short answer. Mechanisms, dosing notes, sources, and the rest of the verdict live on the hub for Vitamin B3 (niacin / nicotinamide).
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A few more focused pages for the same ingredient (we keep lists short on purpose).