Mix up Optimum nutrition's essential AMIN.O. Energy anytime you want a boost of enhanced energy and alertness - from early morning workout to afternoon pick-me-up, plus every activity in between. Each serving provides 100 mg of caffeine from natural sources to support energy and focus along with five grams of essential BCAA amino acids and electrolytes to support hydration. Use as a pre-workout powder, post workout recovery drink, or use this energy drink mix anytime you need a morning or afternoon pick-me-up. With zero sugar, it’s a more functional option than sugary energy drinks. This 10.5-ounce package contains 30 servings of electrolyte powder in a delicious tangerine wave flavor. ESSENTIAL AMIN.O. Energy + electrolytes drink mix offers potassium, sodium and magnesium to help support function and fluid balance. Choose from a variety of natural fruit flavors. Get more out of your workout – and your day – with amino energy drinks! Anytime energy powder with 100mg of caffeine from natural sources to support energy and focus, five grams of essential amino acids (including BCAAs), and electrolytes to boost hydration and replenish what's lost during exercise and activity Can be used as a pre-workout powder to boost energy before training, as a post workout drink to replace lost electrolytes, or anytime you need a morning or afternoon pick-me-up Tested for banned substances and informed choice certified Contains essential amino acids and electrolytes, so you can replenish what's lost during exercise and activity *when taken with at least 10 fluid ounces of water Avaliable in refreshing fruit flavors Customizable caffeine from natural sources