• Works best when rate of exercise is between 70-85% MHR in "sustained" efforts lasting 3-12 hours

• Soy Protein minimizes ammonia being released into the muscles, further reducing fatigue and tissue damage

• Easy to digest, no stomach or GI issues

• Improve fat burning

• Buffer lactic acid. Protein enhanced complex carbohydrate formula.

One of the original long distance fuels. Sustained Energy's unique 7:1 carbohydrate to protein ratio, and it's neutral flavor, is still the first choice of thousands of athletes. After about two hours of exercise you need to have some protein in your fuel or you will start to "cannibalize" or break down precious muscle tissue. So when your exercise goes beyond the range of Hammer Gel or HEED alone, Sustained Energy is ready to serve you, providing premium fuel complemented with specific nutrients that support enhanced fat utilization and lactic acid buffering. 343 calories per serving.