L-Glutamine 500mg Tablets contain amino acid L-Glutamine and are specially formulated using pharmaceutical grade Glutamine powder that is pure and in it’s free form, so that it can be readily absorbed and utilised by the body for optimum efficiency. Glutamine can readily pass the blood-brain barrier and is therefore known as brain fuel as it can enhance mental functioning. It helps sustain proper brain function & mental activity by helping to clear ammonia from the tissues, especially brain tissue.