Vitamin B-3, No Flush: Niacinamide (Vitamin B-3) Is A Form Of Niacin, A Water Soluble B-Vitamin. It Is A Derivative Of Niacin That Does Not Cause The "Flush" Normally Associated With Taking High Doses Of Niacin Energy Production*: Niacinamide Is Readily Converted Into The Bioactive Forms Of Niacin, Nad+, Nadh, Nadp, And Nadph, Which Are Vital Cofactors In Cellular Energy Production And Are Critical For The Maintenance Of Dna Stability Certifications/Classifications: Kosher, Non-Gmo, Soy Free, Vegan Gmp Quality Assured: Npa A-Rated Gmp Certification Means That Every Aspect Of The Now Manufacturing Process Has Been Examined, Including Our Laboratory/Testing Methods (For Stability, Potency, And Product Formulation) Packaged In The Usa By A Family Owned And Operated Company Since 1968 Niacinamide (Vitamin B-3) Is A Form Of Niacin, A Water Soluble B-Vitamin. It Is A Derivative Of Niacin That Does Not Cause The "Flush" Normally Associated With Taking High Doses Of Niacin. Niacinamide Is Readily Converted Into The Bioactive Forms Of Niacin, Nad+, Nadh, Nadp, And Nadph, Which Are Vital Cofactors In Cellular Energy Production And Are Critical For The Maintenance Of Dna Stability