Comparison

Betaine Trimethylglycine 800 mg Unflavored and TMG (Trimethylglycine) Liquid

Betaine Trimethylglycine 800 mg Unflavored (Muscle Empire) lists 1 distinct ingredients and TMG (Trimethylglycine) Liquid (Kirkman) 1 (rows of one ingredient counted once); 1 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
Ingredient	Betaine Trimethylglycine 800 mg Unflavored	TMG (Trimethylglycine) Liquid
Betaine	not disclosed	500 mg

Amounts are per serving as DSLD gives them: Betaine Trimethylglycine 800 mg Unflavored, 0.8 g; TMG (Trimethylglycine) Liquid, 1 tsp. Current labels entered March 2017 and September 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

Betaine Trimethylglycine 800 mg UnflavoredMuscle Empire: every row against all products listing it
TMG (Trimethylglycine) LiquidKirkman: every row against all products listing it