L-CYSTINE

L-CYSTINE is a white crystalline powder that is practically insoluble in water and ethanol. It contains not less than 98.5 percent and not more than 101.0 percent of L-CYSTINE. L-CYSTINE is commonly used in the food industry as it is a precursor for glutathione, an important antioxidant. Glutathione plays a key role in maintaining the health and integrity of cells. L-CYSTINE helps support the production of glutathione which helps protect cells from oxidative damage. It also helps support the immune system.