A great-tasting nutrient-rich drink formulated for maximum muscle support. Muscle Fuel STS has been scientifically formulated to supply active people of all ages with quality proteins from five premium sources, speeding up recovery from exercise and supporting general wellness. The advanced time release system ensures the body properly absorbs the high quality proteins, which accelerate the rebuilding of muscle following a period of exertion.

USN Muscle Fuel STS is an optimally balanced meal replacement shake that?s tasty, easy to mix and conveniently quick to prepare.