Supplements Labs Niacin (Vitamin B3) Powder delivers pure nicotinic acid in a fine, easily mixable form designed to support normal energy-yielding metabolism and nervous-system function. Each 200 g pouch provides a precise, customisable source of Vitamin B3 for adults seeking metabolic balance and sustained energy throughout the day. Niacin contributes to the reduction of tiredness and fatigue while supporting healthy skin and cellular function. This powder format allows accurate dosing for those who prefer flexibility or stack it with other B-complex nutrients. Use only as directed.