Many of the detoxification processes in the liver depend on the conjugation of toxins to glycine which assists in their removal from the body. Glycine is necessary for normal liver function. It is supplied as a natural sweet tasting amino acid powder supplement. It is needed for your body to manufacture glutathione, for healthy skin. Glycine is a major component of collagen.

Glycine is a supplement that might be taken when following the eating plan in the book The Healthy Skin Diet. 

Ingredients: 
Glycine 1g/g oral powder. 

Cautions: 
Do not take glycine if you are on blood thinning medications, such as aspirin, as glycine will reduce the effects of aspirin.