Lamberts Nicotinamide 250mg Vitamin B3 (Niacin) | 100 Tablets Vitamin B3 is water-soluble and occurs in various forms, which are more commonly known as Niacin. One of these forms is Nicotinamide, which is synonymous with Niacinamide and is the form of B3 found in dietary supplements. Our body can produce some amount of niacin from this amino acid tryptophan, as niacin and tryptophan have significant similarities in terms of their chemical structure. Niacin is found in abundance mainly in meat, fish, and peanuts. Niacin participates in over 50 metabolic reactions in the body and contributes to: in the normal functioning of metabolic processes aimed at producing energy in the normal functioning of the nervous system in normal psychological functioning in maintaining the condition of the mucous membranes in maintaining the condition of the skin to reduce fatigue and tirednessSuitable for vegetarians & vegans