Homocysteine in the Cardiovascular Setting: What to Know, What to Do, and What Not to Do 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, New Insights into the Roles of Cysteine and Homocysteine in Pathological Processes IntechOpen The Transulphuration Pathway Lifecode Gx Support