Comparison
Buffered C Crystals and C Buffered Crystals
Buffered C Crystals (Bluebonnet) lists 2 distinct ingredients and C Buffered Crystals (Thompson) 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.
| Ingredient | Buffered C Crystals | C Buffered Crystals |
|---|---|---|
| Vitamin C | 4,100 mg (4556%) | 3,000 mg (3333%) |
| Calcium | 375 mg (29%) | 175 mg (13%) |
Amounts are per serving as DSLD gives them: Buffered C Crystals, 5 g; C Buffered Crystals, 3.4 g. Current labels entered July 2025 and August 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Buffered C CrystalsBluebonnet: every row against all products listing it
- C Buffered CrystalsThompson: every row against all products listing it