When you consume an excessive amount of niacin, your body produces niacinamide. Tryptophan, an amino acid, can also be converted into niacinamide by your body
The most effective form of vitamin B3 is powdered niacin. a non-hazardous, non-irritating cosmeceutical ingredient that, according to research, can improve skin moisturization and improve the appearance of aged and photodamaged skin.