Fuel Your Day, Feel Your Best! ⚡ Transform food into fuel for your busy lifestyle. Promote a balanced nervous system for optimal performance. Easy-to-take tablets fit seamlessly into your routine. Crafted by 21st Century, a brand synonymous with health. Nourish your skin and digestive health effortlessly. Energy booster 100mg potency 110 tablets 21st Century Niacin 100mg tablets provide essential support for energy conversion, skin health, and digestive and nervous system function, all in a convenient 110-count bottle.