Trimethylglycine (TMG) is a methylated amino acid also known as betaine or glycine betaine. TMG can be found in foods such as spinach, wheat, seafood and especially sugar beets. Naturally found in the body, TMG acts as a methyl donor to facilitate important biological processes 1.

This ingredient can be found in the following products in United States:


  1. Natural Medicines. Comprehensive Database. Therapeutic Research Faculty, 2003.