Amino acid
Betaine
Betaine, also called trimethylglycine or TMG, is a compound found in beets, spinach and whole grains that donates methyl groups in metabolism.
Also listed as TMG, Glycine Betaine, Oxyneurine, Trimethylglycine
Which form is on the label?
Betaine anhydrous is also used as the prescription medicine Cystadane for homocystinuria. Betaine hydrochloride, or HCl, was the acidifying form in the stomach-pH experiment. These uses should not be treated as interchangeable. 1 2
Sources
- Cystadane: product information European Medicines Agency
- Gastric reacidification with betaine HCl in healthy volunteers with rabeprazole-induced hypochlorhydria Molecular Pharmaceutics, 2013