Comparison

Ultra Potent-C 1000 and Ultra Potent-C 500

Ultra Potent-C 1000 (Metagenics) lists 11 distinct ingredients and Ultra Potent-C 500 (Metagenics) 10 (rows of one ingredient counted once); 10 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 0.95.

Amount per serving (and % of the Daily Value)
IngredientUltra Potent-C 1000Ultra Potent-C 500
Vitamin C1,000 mg (1111%)500 mg (556%)
Sodium10 mg5 mg
Niacin70 mg (438%)35 mg (219%)
Flavonoid32 mg16 mg
Lysine33 mg16 mg
Glutathione5 mg2 mg
Cysteine8 mg4 mg
Ribose0.013 g0.006 g
Xylitol0.009 g0.005 g
Sodium pyrophosphate14 mg7 mg
Calcium40 mg (3%)

Amounts are per serving as DSLD gives them: Ultra Potent-C 1000, 1 tablet; Ultra Potent-C 500, 1 tablet. Current labels entered August 2023 and October 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own