Learn Glossary amino acid

Methionine

Level 3ContestedIn Winter's Dictionary

Methionine is a amino acid — Essential amino acid; dietary substance, frying oil enhancement

What it does

Essential amino acid; dietary substance, frying oil enhancement

Where you'll see it

Frying oils, soups, salad dressings

What the research says

Mildly toxic by injection. Caused birth defects in experimental animals.

Regulatory status

  • US FDA: ASP
  • Notes: Not to be used in baby foods

Sources

  • A Consumer's Dictionary of Food Additives (Winter): methionine is mildly toxic by injection and has caused birth defects in experimental animals