Niacin (Vitamin B3)
Nicotinic acid / Niacinamide
An essential B vitamin with two distinct therapeutic forms: niacin (nicotinic acid) for cholesterol management, and niacinamide for skin health, DNA repair, and insulin sensitivity.
Known Health Benefits
Active Compounds
Nicotinic acid, nicotinamide (niacinamide), NADH, NAD+
Dosage Guidance
Niacinamide: 500–3000 mg; prescription-level niacin under physician supervision
Always consult a healthcare provider for personalized dosing.
Potential Side Effects
Niacin: significant flushing, hepatotoxicity at high doses; niacinamide form is much better tolerated
Known Drug Interactions
Interacts with statins (myopathy risk at high doses), diabetes medications, and anticoagulants
Evidence Classification
Supported by randomized controlled trials (RCTs), systematic reviews, or meta-analyses published in peer-reviewed journals.
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This entry is for educational purposes only. It is not medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement regimen, especially if you take medications or have health conditions.