American Supps' Glutamine is a semi-essential amino acid that is vital for your health. It helps strengthen the immune system, supports brain health and the digestive system. Additionally, it plays an important role in providing "fuel" to your body's cells, as well as in the production of glucose and other amino acids, which are fundamental for protein structure. The product comes in powder form, and the packaging includes 500 grams, ready to support your daily nutrition.