It contains 4 Parts carbohydrate to 1 Part whey protein, hence the name. Research shows that this critical ratio, when used during exercise, provides athletes with more energy than carbohydrate alone. Based on the Award Winning complex carbohydrate found in standard High5 Energy Drink, this is easy on the stomach, hypotonic and refreshing. Performance proven in the toughest races, Energy Drink with Protein also contains a unique H E A C (high electrolyte anti cramp) formulation. This is designed to maximize fluid absorption in and minimize cramp. Most endurance athletes should be aware the primary cause of fatigue is the depletion of muscle and liver glycogen (carbohydrate) and that ingesting carbohydrates during exercise will delay the onset of this fatigue. However many athletes remain unaware that Energy Drink with Protein, containing 4 parts Carbohydrate and 1 part Protein, can extend the time to fatigue up to an incredible 29% when compared to a carbohydrate only drink and 57% when compared with water. Directions for Use Mix the powder contents into 500ml of water and shake well. Drink 150-250ml every 20 minutes during sport. Consume before and during sport.