Well-hydrated muscles are happy muscles. Even mild dehydration has been shown to increase fatigue and reduce concentration. Prolonged exercise, especially in warm environments, can lead to substantial body water losses with the potential to seriously impair performance. R1 Lytes helps replenish fluids and nutrients lost through sweat with a combination of 5 different electrolytes, coconut water, watermelon powder, citrulline malate, taurine, and antioxidant vitamins A C. The refreshing lemon-lime flavor further assists hydration by encouraging you to drink more. ZERO Sugars ZERO Banned Substances ZERO Stimulants ZERO Dairy, Gluten, or Soy INGREDIENTS Calories, Total Carbohydrate, Vitamin A (as Beta Carotene), Vitamin C (As Ascorbic Acid), Calcium, Magnesium, Chloride, Sodium, Potassium, Citrulline Malate (2:1), Taurine , Coconut Water Powder, Watermelon Powder, (Himalayan Sea Salt, Potassium Chloride, Calcium Citrate, Magnesium Oxide, Sodium Citrate), Natural and Artificial Flavors, Citric Acid, Malic Acid, Calcium Silicate, Silicon Dioxide, Sucralose, Acesulfame Potassium.R1 Lytes helps replenish fluids and nutrients lost through sweat.