Comparison
OPC-3 (Oligomeric Proanthocyanidins) and Opc-3
OPC-3 (Oligomeric Proanthocyanidins) (Isotonix) lists 8 distinct ingredients and Opc-3 (Market America) 7 (rows of one ingredient counted once); 7 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 0.92.
| Ingredient | OPC-3 (Oligomeric Proanthocyanidins) | Opc-3 |
|---|---|---|
| Carbohydrate | 2 g | 4 g |
| Sugar | 2 g | 3 g |
| Grape | 25 mg | 25 mg |
| Flavonoid | 25 mg | 25 mg |
| Bilberry | 25 mg | 25 mg |
| Maritime Pine | 25 mg | 25 mg |
| Red Wine | 25 mg | 25 mg |
| Potassium | 95 mg (2%) |
Amounts are per serving as DSLD gives them: OPC-3 (Oligomeric Proanthocyanidins), 3.3 g; Opc-3, 1 chew. Current labels entered June 2024 and April 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- OPC-3 (Oligomeric Proanthocyanidins)Isotonix: every row against all products listing it
- Opc-3Market America: every row against all products listing it