Since its introduction in 1978, Alacer’s Emer'gen-C effervescent drink mix has become the largest selling Vitamin C in the health food industry. High in Potassium, Emer'gen-C provides a powerful antioxidant to the 70 trillion cells in the body along with a full complement of B Vitamins and 32 mineral complexes that replenish valuable electrolytes. Healthy Nutrition for Backpacking, Hiking, Camping, Climbing and Mountain Biking.