what different of l-gluthathione & methathione?

Tweet

when it comes to oral or intake for great skin which is better?,both are popular in the market but which is more effective in skin whitening or safe...ot is one of the essential amino acids.Sometimes used as a natural urinary acidifier & liver tonic mainly in animals, sometimes in humans... it is composed of reduced Gluthatione is the ingredient they use originally to treat liver disease and used by patients undergoing chemotherapy but the side effect is the whitening of the skin.