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