HealthJuly 16, 2026

methyl

/ˈmɛθɪl/

Definition

A chemical group consisting of one carbon atom bonded to three hydrogen atoms, which functions in biological processes as a 'donor' to facilitate essential chemical reactions in the body.

Etymology

The word is derived from the French 'méthylène', which was coined in the 19th century by combining the Greek 'methy' (wine) and 'hylē' (wood or matter). It was originally used to describe wood alcohol before being standardized in chemical nomenclature.

In the news

The term is used to describe how certain nutrients, like folate, act as 'methyl donors' to regulate health-related chemical levels in the brain and nervous system. This highlights a move toward sophisticated, mechanism-based ingredient science in cognitive supplements.

Holistic health drives cognitive supplement demand and ingredient innovations

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Nutrition Insight

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