Comparison

Ultra-C 2000 mg Sustained Release and Sustained Release Ultra-C 2000 mg

Ultra-C 2000 mg Sustained Release (NaturesPlus) lists 2 distinct ingredients and Sustained Release Ultra-C 2000 mg (Nature's Plus) 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)
IngredientUltra-C 2000 mg Sustained ReleaseSustained Release Ultra-C 2000 mg
Vitamin C2,000 mg (2222%)2,000 mg (2222%)
Dog Rose200 mg200 mg

Amounts are per serving as DSLD gives them: Ultra-C 2000 mg Sustained Release, 1 sustained release tablet; Sustained Release Ultra-C 2000 mg, 1 tablet. Current labels entered November 2023 and August 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own