Comparison
Eye Health and Optic Results
Eye Health (GNC Longevity Factors) lists 12 distinct ingredients and Optic Results (Physician's Signature) 9 (rows of one ingredient counted once); 9 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 0.76.
| Ingredient | Eye Health | Optic Results |
|---|---|---|
| Vitamin C | 500 mg (556%) | 250 mg (278%) |
| Zinc | 15 mg (136%) | 15 mg (136%) |
| Vitamin E | 30 IU | 30 IU |
| Vitamin A | 5,000 IU | 5,000 IU |
| Selenium | 70 mcg (127%) | 70 mcg (127%) |
| Copper | 2 mg (222%) | 2 mg (222%) |
| Lutein | 20 mg | 6 mg |
| Bilberry | 100 mg | 50 mg |
| Zeaxanthin | 4 mg | 1 mg |
| Fat (unspecified) | 1 g | |
| Cholesterol | 10 mg | |
| DHA | 200 mg |
Amounts are per serving as DSLD gives them: Eye Health, 2 softgels; Optic Results, 1 caplet. Current labels entered December 2011 and December 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Eye HealthGNC Longevity Factors: every row against all products listing it
- Optic ResultsPhysician's Signature: every row against all products listing it