One lab marker could reveal your risk for heart disease, brain decline, and poor detoxand most people have never heard of it. Methionine an overview ScienceDirect Topics L Methionine 500 mg, 100 Capsules NOW Foods Fruitful Yield Homocysitaconate controls inflammation through reshaping methionine metabolism and N homocysteinylation: Cell Metabolism 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,