Comparison
Vision Guard iShield and Lutein
Vision Guard iShield (Sundown Naturals) lists 4 distinct ingredients and Lutein (Windmill) 4 (rows of one ingredient counted once); 4 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 | Vision Guard iShield | Lutein |
|---|---|---|
| Zinc | 11 mg (100%) | 11 mg (100%) |
| Vitamin A | 2.15 mg | 2,145 mcg RAE (238%) |
| Lutein | 20 mg | 20 mg |
| Zeaxanthin | 4 mg | 4 mg |
Amounts are per serving as DSLD gives them: Vision Guard iShield, 1 softgel; Lutein, 1 tablet. Current labels entered April 2018 and August 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Vision Guard iShieldSundown Naturals: every row against all products listing it
- LuteinWindmill: every row against all products listing it