Abstract: Food supplement compositions and their methods of use in increasing lean mass and/or muscle size and/or strength in individuals, particularly, athletes is described. The food supplements described comprise &agr; lipoic acid or a derivative thereof, and an amino acid. Other food supplements described comprise a substance which can enhance and/or mimic activity of &agr; lipoic acid, and a source of amino acid. The food supplement compositions described are suitable for supplementing the diet of an athlete and particularly for enhancing an athlete's muscle size and/or strength.

Abstract: Food supplement compositions and their methods of use in increasing lean mass and/or muscle size and/or strength in individuals, particularly, athletes is described. The food supplements described comprise &agr; lipoic acid or a derivative thereof, and an amino acid. Other food supplements described comprise a substance which can enhance and/or mimic activity of &agr; lipoic acid, and a source of amino acid. The food supplement compositions described are suitable for supplementing the diet of an athlete and particularly for enhancing an athlete's muscle size and/or strength.

Abstract: Food supplement compositions and their methods of use in increasing lean mass and/or muscle size and/or strength in individuals, particularly, athletes is described. The food supplements described comprise &agr; lipoic acid or a derivative thereof, and an amino acid. Other food supplements described comprise a substance which can enhance and/or mimic activity of &agr; lipoic acid, and a source of amino acid. The food supplement compositions described are suitable for supplementing the diet of an athlete and particularly for enhancing an athlete's muscle size and/or strength.