Methionine is an amino acid that produces several important molecules in your body. Here's a detailed look at how it works, sources and potential side effects.

Here are some examples of foods that are high in methionine : Dried egg whites: 2.8 grams per 3.5 ounces (100 grams) Dried spirulina: 1.2 grams per 3.5 ounces (100 grams) ...