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Liver and tissue support | L-Methionine is an essential amino acid that contains sulfur, which is an important component of cartilage building blocks such as proteoglycans and glycosaminoglycans. L-Methionine is incorporated into tissue proteins and enzymes and is a component of active peptides, including L-methionine enkephalin and various endorphins. One of the main roles of L-methionine is as a methyl donor, contributing to numerous physiological pathways in the body including formation of myelin components. In one such pathway, L-methionine converts to s-adenosylmethionine. Studies have indicated that L-methionine may promote healthy cellular metabolism, enzyme activity, and glutathione concentration. L-Methionine, like choline and betaine, is also a lipotropic compound supporting lipid metabolism and healthy hepatic function. In combination with antioxidants, L-methionine may play a role in healthy pancreas function.