During exercise protein synthesis in skeletal muscle is suppressed and protein breakdown takes place proportional to the level of exertion. Following exercise the response of the skeletal muscle is increase of contractile protein content which in turn increases muscle size.
Recovery of protein synthesis occurs during the following 4 to 8 hours, and up to 48 hours after exercise and therefore post-exercise intake of carbohydrates and protein is important to maximize protein synthesis and muscle recovery.
Whey protein is an excellent source of all the essential amino acids and the richest source of branched chain amino acids which are particularly important for muscle protein synthesis.
In addition whey protein is rapidly digested and absorbed by the body making it the ideal protein supplement post exercise.