What is it?Holland & Barrett Vitamin B3 Niacin tablets support the normal function of the nervous system, the reduction of tiredness and fatigue and normal energy yielding metabolism.Contributes To Normal Energy Yielding Metabolism, Nervous System and Normal Psychological Function Helps To Reduce Tiredness and Fatigue Suitable For Vegetarians and Vegans What Are the Benefits of This Supplement?Niacin is a water-soluble B vitamin naturally found in lean meats, fish, peanuts, mushrooms, brown rice, and brewer's yeast. It supports normal function of the nervous system and reduction of tiredness and fatigue. It also aids normal energy yielding metabolism, maintenance of normal skin and mucous membrane. Holland & Barrett International Limited, Barling Way, CV10 7RH, UKHolland & Barrett Limited, 45 Henry St, D01 E9X8, Ireland