L-cysteine is a type of proteinogenic amino acid which has protein manufacturing capabilities. L-cysteine is built directly from the essential acid L-methione. Like methione, it contains sulfur and can be synthesized in the liver. However, it requires supplements to meet the daily recommended amount of cysteine in the body. L-cysteine, along with glycine and glutamine, produce glutathione, an essential antioxidant that provides great benefits for the body.
Benefits of Cysteine: Cysteine has antioxidant properties, removing free radicals that cause cell damage from the bodies. As a major producer of glutathione, cysteine is also believed to slow the aging process, boost the immune system, and treat a number of health conditions. Cysteine also plays an important role in the detoxifying processes of the body. It is given intravenously to remove the toxins caused by dangerous chemicals and drug reactions. There have been studies that show cysteine helps in lowering blood sugar levels and vascular inflammation markers among diabetes patients