21st Century Stress B with Zinc is a dietary supplement containing B-complex vitamins and zinc, formulated to help support the body's stress response and immune system. Each bottle contains 30 tablets designed for daily supplementation. As this is a dietary supplement, please consult your healthcare provider before use. Store in a cool, dry place away from direct sunlight and keep out of reach of children. The combination of B vitamins and zinc may help support energy metabolism, nervous system function, and immune health during periods of stress.