Compare liposomal TMG and quercetin by their actual ingredient names, amounts and serving directions. The TMG listing identifies betaine, while the quercetin product is an orange-mango liquid. They are different formulas rather than interchangeable letter vitamins. Check the complete panel and package information for the specific product, and distinguish an ingredient amount per serving from the total bottle volume or number of servings supplied.View Liposomal TMG Trimethylglycine( Betaine) – 500 mg (30 Servings).