It is hydrolyzed in the body to free niacin and inositol, which is a very slow process.
Vitamin B3 Nicotinamide - High Strength no Flush Niacin - Balanced with Essential Tri-Methyl Glycine (TMG) & Trans-Resveratrol - UK Made
Vitamin B3 Nicotinamide with Trans-Resveratrol & Tri-Methyl Glycine (TMG) - High Strength no Flush Niacin - Supporting the Normal Function of the Nervous System & Metabolism
Health Leads No-Flush Niacin 490mg | Nicotinamide | 90 Vegan Caps
No Flush Niacin 500mg capsules | Energy & Metabolic Support VITA PHARMA
Life Extension - No Flush Niacin - 100 caps
Life Extension - No Flush Niacin, 800mg - 100 caps Free UK P&P