Emergen-C Old School! Our original formula is still our best seller, featuring essential nutrients, including 1,000 mg of vitamin C and other immune supporting antioxidants zinc and manganese, 7 B vitamins to enhance energy naturally, and electrolytes to replenish post-workout!* Don't like lemon? Don't like lime? Try lemon-lime. It just might do the trick. *These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.