Comparison
Fast-C Alkemy Vitamin C 500 mg and Vitamin C Concepts Buffered
Fast-C Alkemy Vitamin C 500 mg (Bronson Laboratories) lists 3 distinct ingredients and Vitamin C Concepts Buffered (Natural Healthy Concepts) 3 (rows of one ingredient counted once); 3 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.
| Ingredient | Fast-C Alkemy Vitamin C 500 mg | Vitamin C Concepts Buffered |
|---|---|---|
| Vitamin C | 500 mg (556%) | 1,500 mg (1667%) |
| Calcium | 79 mg (6%) | 130 mg (10%) |
| Black Pepper | 3 mg | 15 mg |
Amounts are per serving as DSLD gives them: Fast-C Alkemy Vitamin C 500 mg, 2 capsules; Vitamin C Concepts Buffered, 2 capsules. Current labels entered May 2015 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
- Fast-C Alkemy Vitamin C 500 mgBronson Laboratories: every row against all products listing it
- Vitamin C Concepts BufferedNatural Healthy Concepts: every row against all products listing it