L-Glutamine is an amino acid found in high concentrations in muscles and plays a vital role in protein synthesis and immune system support. This Gold Nutrition product contains 300 grams of L-Glutamine and is primarily used as a supplement to enhance muscle recovery after intense exercise, reduce muscle damage, and strengthen the immune system. Composition The composition of Gold Nutrition L-Glutamine 300Gr. Gn is pure L-Glutamine. Ingredients The main active ingredient of Gold Nutrition L-Glutamine 300Gr. Gn is L-Glutamine.