* Antioxidants * B Vitamins & Electrolytes * 1000 mg Vitamin C * 1000 mg MSM * Dietary Supplement * 5 Calories Per Serving * Feel the Good Naturally, It"s Good for You! Specifically for those who live an active, high-energy and low-calorie life, we subtracted all but 5 calories and added MSM. Naturally flavored and naturally sweetened, each fizzy, citrus-y packet brings a rush of vitamins, antioxidants and electrolytes. If feeling good is your thing, you found the right box. Vitamin C Vitamins C is essential in the production of collagen, which helps maintain the strength and flexibility of bones. Vitamin B12 Vitamin B12 helps maintain nerve and red blood cells and is essential for a properly functioning nervous system. MSM Methylsulfonylmethane (MSM) is a source of sulfur that plays a critical role in maintaining the elasticity and flexibility of the connective tissues that make up joints.