Comparison

True To Nature C 500 mg and Super C Buffered Vitamin C Powder

True To Nature C 500 mg (Planetary Herbals) lists 18 distinct ingredients and Super C Buffered Vitamin C Powder (Rainbow Light) 16 (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 0.41.

Amount per serving (and % of the Daily Value)
IngredientTrue To Nature C 500 mgSuper C Buffered Vitamin C Powder
Vitamin C1,000 mg (1111%)1,000 mg (1111%)
Grapenot disclosed25 mg
Flavonoidnot disclosed50 mg
Cranberrynot disclosed25 mg
Bilberrynot disclosednot disclosed
Rutinnot disclosed12.5 mg
Acerolanot disclosednot disclosed
Cabbagenot disclosed10 mg
Hesperidinnot disclosed12.5 mg
Rose (unspecified)not disclosednot disclosed
Carbohydrate1 g
Calcium100 mg (8%)
Copper0.536 mg (60%)
Blueberrynot disclosed
Acainot disclosed
European Eldernot disclosed
Parsleynot disclosed
Lecithinnot disclosed
Indian Gooseberrynot disclosed
Orange (unspecified)25 mg
Lemon25 mg
Elderberrynot disclosed
Agaricus mushroomnot disclosed
Polyphenols6 mg

Amounts are per serving as DSLD gives them: True To Nature C 500 mg, 2 tablets; Super C Buffered Vitamin C Powder, 0.5 tsp. Current labels entered September 2017 and February 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own