BioStacks

Best Vitamin B3 for General Health

Top 10 products ranked

Last reviewed May 2026

Clinical dose: 25–500 mg

Why Vitamin B3 for General Health

Vitamin B3 plays a supporting role in general health. Available as nicotinic acid or nicotinamide (niacinamide); both support cellular energy and NAD+ synthesis, but only nicotinic acid improves lipid profiles by raising HDL cholesterol and lowering triglycerides — nicotinamide has zero effect on lipids. Nicotinic acid causes characteristic flushing (redness, warmth) at doses above 30–50 mg, while nicotinamide does not.

What dose to look for

Clinical studies typically use 25–500 mg of vitamin b3. Common in B-complex and standalone formulations; UL 35 mg applies to flushing form only. Products below this range may not deliver meaningful results.

What the research says

Vitamin B3 has strong clinical evidence for general health benefits. Decades of clinical trials for cholesterol management; nicotinic acid form has the strongest data Learn more