Vitamin C plus zinc to help support your immune sustem (Emerging research suggests that Vitamin C and zinc can help support a normal functioning immune system). From America's no. 1 selling supplement company (Based on AC Nielsen xAOC combined total sales for MuscleTech & Six Star powder & pill supplements. Over 170 million bottles of MuscleTech and Six Star products combined have been sold). 170 million bottles sold! T.J. Watt - Professional football player. Tobin Heath - Professional soccer player. From the makers of Muscletech. Support muscle building and muscle recovery. New and improved taste. Mixes instantly. Zero aspartame. Note: This product is sold by weight. Some settling may occur. 20 years of excellence. Leader in Science. Guaranteed banned substance free. Six Star 100% Whey Protein Plus is engineered for all athletes. Six Star Whey Protein Plus is from the makers of MuscleTech so you know it's a powerful formula you can trust. Whether it's your first time at the gym or you're a seasoned vet, pro athlete, or just trying to gain that extra edge in your sport, everyone is an athlete, and every athlete needs to fuel their body with the best sports nutrition products available. Formulated with 30 g of protein from ultra-pure 100% whey protein and added immune support (from whey protein) matrix, Six Star 100% Whey Protein Plus is the fuel you need after your workout or any time of day, and it's engineered for all athletes. Six Star 100% Whey Protein Plus is for: Active men & women. Strength trainers. All athletes. Fitness enthusiasts. Bodybuilders. Endurance athletes. Benefits of Six Star 100% Whey Protein Plus: 100% Whey Protein Plus mixes easily for your convenience. Supports muscle building and lean muscle growth.