Others are made using the amino acids found in dietary proteins like meat, eggs, or legumes
+ Methionine It assists in the breakdown of fats and thereby prevents the build-up of fat in the arteries, as well as assisting with digestive system and removing heavy metals from the body since it can be converted to cytosine, which is a precursor to glutathione, which is of prime importance in detoxifying the liver
(2001) 280:E2218
ElSayed NA, Aleppo G, Aroda VR, Bannuru RR, Brown FM, Bruemmer D, Collins BS, Das SR, Hilliard ME, Isaacs D, Johnson EL, Kahan S, Khunti K, Kosiborod M, Leon J, Lyons SK, Perry ML, Prahalad P, Pratley RE, Seley JJ, Stanton RC, Gabbay RA, on behalf of the American Diabetes Association