Glutamine is one of the most plentiful amino acids in the body and is utilised in many body systems. Glutamine may help support and maintain a healthy digestive system and immune system. Glutamine may aid muscle repair and growth and speed up recovery time after exercise. Higher Nature Glutamine Powder is available in 100g or 200g powders, or if you prefer in 90 Capsules. Glutamine Powder from Higher Nature can be added to water, juice or sprinkled onto cold food.