What is TMG (betaine)?
The short answer
TMG, also called betaine, is a natural compound found in beets, spinach and whole grains.
What it is
Supplies methyl groups.
What people look into
Aging
- 2 sources
- Status as of
- How we source
- Ellum doesn't sell peptides.
Get updates on TMG (betaine)
What it is
- Type
- Methyl donor (not a peptide)
- Also known as
- trimethylglycine
- How it works
- Supplies methyl groups.
Regulatory status
Supplement How we label status
As of October 4, 2026, TMG (betaine) is sold in the US as a dietary supplement.
- Federal (FDA)
- Dietary supplement (DSHEA)
References
Sources as of October 4, 2026