Vitamin B3 (mixed) — answers to Niacin
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Vitamin B3, supplied here as a mix of its chemical forms — commonly niacin (nicotinic acid) and niacinamide (nicotinamide) — an essential nutrient involved in energy metabolism.
Why it’s used
Taken to maintain adequate niacin status, which supports normal metabolism, skin, nervous system, and digestive function, and to prevent deficiency.
What the evidence is for
preventing niacin deficiency (pellagra) and meeting normal metabolic needs.
What the evidence says
NIH ODS documents niacin as essential, with deficiency causing pellagra; adequate intake prevents this. Separately, high pharmacologic doses of nicotinic acid (well above typical supplement or dietary amounts) have been studied for altering blood lipid levels, but this is a distinct use from ordinary vitamin supplementation and carries its own considerations not implied by a standard multivitamin-level dose.
Dose studied
14–35 mg — adult RDA up to the tolerable upper intake level, per NIH ODS.
Context
Lipid-related research uses doses far higher than the amounts found in typical dietary supplements or the RDA; general supplement-level intake is studied mainly in the context of meeting nutritional needs, not lipid management.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.