Vidonge vya Ng'ara Rangi Mmoja 5000MG Homocysteine and methionine are key amino acids with a vital connection to glutathione one of your body's most important substances! Methionine is abundant in many foods, so protein isn't the culprit, Dermedical Skin Sciences Homocysteine is an inflammatory amino acid that is produced as a byproduct of protein metabolism. Homocysteine induced injury to the arterial wall is one of the factors that can initiate the process of