Comparison
Vision XR and Opti Gold
Vision XR (U.S. Longevity Institute) lists 9 distinct ingredients and Opti Gold (Indiana Botanic Gardens) 7 (rows of one ingredient counted once); 6 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 0.74.
| Ingredient | Vision XR | Opti Gold |
|---|---|---|
| Vitamin A | 5,000 IU | 10,000 IU |
| Taurine | 500 mg | 200 mg |
| Alpha Lipoic Acid | 50 mg | 25 mg |
| Lutein | 20 mg | 15 mg |
| Bilberry | 50 mg | 60 mg |
| Zeaxanthin | 2 mg | 0.6 mg |
| Carbohydrate | 1 g | |
| Vitamin C | 150 mg (167%) | |
| Vitamin D | 5 mcg (25%) | |
| Zinc | 20 mg (182%) |
Amounts are per serving as DSLD gives them: Vision XR, 2 capsules; Opti Gold, 1 vege capsule. Current labels entered June 2020 and September 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.