Comparison

High Potency B-1 500 mg and Vitamin B1 High Potency 500 mg

High Potency B-1 500 mg (Source Naturals) lists 2 distinct ingredients and Vitamin B1 High Potency 500 mg (BIOVEA) 2 (rows of one ingredient counted once); 2 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)
IngredientHigh Potency B-1 500 mgVitamin B1 High Potency 500 mg
Magnesium100 mg (24%)100 mg (24%)
Thiamin500 mg (41667%)500 mg (41667%)

Amounts are per serving as DSLD gives them: High Potency B-1 500 mg, 1 tablet; Vitamin B1 High Potency 500 mg, 1 vegetarian tablet. Current labels entered August 2023 and November 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own