Science / Chemistry / Cysteine: A naturally occuring amino acid with an SH group on its side chain.
Health / Vitamins / Homocysteine: A product of protein breakdown that is considered to be an independent risk factor for cardiovascular disease. MORE
Science / Chemistry / Cystine: A naturally occuring amino acid with a disulfide bridge group on its side chain, formed by condensation of two cysteine residues. MORE