MedicalTerminology DB
General Medical Terms Digestive System & Nutrition

Se-methyl-seleno-L-cysteine

Meaning of Se-methyl-seleno-L-cysteine: A substance that contains the element selenium (a nutrient that protects cells against damage) and is found in certain plants such as garlic and broccoli.

Definition of Se-methyl-seleno-L-cysteine

A substance that contains the element selenium (a nutrient that protects cells against damage) and is found in certain plants such as garlic and broccoli. Se-methyl-seleno-L-cysteine can act as an antioxidant and may help prevent or slow the growth of cancer cells. It is a type of amino acid.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.