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Genetics glossary

What is TMG (trimethylglycine)?

Also known as: Betaine.

Quick answer

TMG (trimethylglycine): definition

TMG (trimethylglycine), also called betaine, is a methyl donor that helps convert homocysteine into methionine through the BHMT pathway.

TMG (trimethylglycine), explained

Betaine is found in beets, spinach, quinoa and wheat bran and can also be made from choline. It provides a backup route to the folate/B12 pathway.

Why it matters

TMG is often discussed alongside methylfolate and B12 in methylation support.

Learn more

FAQ

TMG (trimethylglycine) FAQs

What is TMG (trimethylglycine)?

TMG (trimethylglycine), also called betaine, is a methyl donor that helps convert homocysteine into methionine through the BHMT pathway.

Why does TMG (trimethylglycine) matter?

TMG is often discussed alongside methylfolate and B12 in methylation support.

Answers

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