Comparison

B-Well Vitality and Homocystrol + TMG

B-Well Vitality (Cenegenics) lists 7 distinct ingredients and Homocystrol + TMG (Douglas Laboratories) 7 (rows of one ingredient counted once); 6 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 0.76.

Amount per serving (and % of the Daily Value)
IngredientB-Well VitalityHomocystrol + TMG
Vitamin B610 mg (588%)50 mg (2941%)
Vitamin B121,000 mcg (41667%)1,000 mcg (41667%)
Folate1,000 mcg1,333 mcg
Riboflavin25 mg (1923%)50 mg (3846%)
Choline50 mg (9%)150 mg (27%)
Betaine250 mg1,000 mg
Magnesium50 mg (12%)
Inositol50 mg

Amounts are per serving as DSLD gives them: B-Well Vitality, 1 capsule; Homocystrol + TMG, 3 vegetarian capsules. Current labels entered July 2015 and August 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own