Nutritional Supplements » Nutrition Essentials »Optimum Nutrition Essential Amino Energy + Electrolytes, Watermelon Splash, 65 Servings

1. 100mg of caffeine from natural sources; 5g amino acids; only 5 calories per serving, and zero sugar.
2. Enhanced with electrolytes to assist with hydration during periods of intense exercise
3. When to take it: anytime you need a boost of energy, muscle recovery, or to replenish electrolytes lost in sweat during exercise.
4. Ideal for runners with flavors including Tangerine wave, cranberry Lemonade, pineapple twist, and Watermelon splash.
5. Banned substance tested