Comparison

500-C Methoxyflavone and Vitamin C Concepts With Bioflavonoids

500-C Methoxyflavone (Metagenics) lists 2 distinct ingredients and Vitamin C Concepts With Bioflavonoids (Natural Healthy Concepts) 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)
Ingredient500-C MethoxyflavoneVitamin C Concepts With Bioflavonoids
Vitamin C500 mg (556%)500 mg (556%)
Flavonoid500 mg500 mg

Amounts are per serving as DSLD gives them: 500-C Methoxyflavone, 1 tablet; Vitamin C Concepts With Bioflavonoids, 1 capsule. Current labels entered March 2020 and July 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own