Comparison
Healthy Night Vision and Vision Guard iShield
Healthy Night Vision (Terry Naturally) lists 5 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 0.79.
| Ingredient | Healthy Night Vision | Vision Guard iShield |
|---|---|---|
| Zinc | 30 mg (273%) | 11 mg (100%) |
| Vitamin A | 1.5 mg | 2.15 mg |
| Lutein | 10 mg | 20 mg |
| Zeaxanthin | 0.5 mg | 4 mg |
| Grape | 100 mg |
Amounts are per serving as DSLD gives them: Healthy Night Vision, 1 capsule; Vision Guard iShield, 1 softgel. Current labels entered March 2025 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
- Healthy Night VisionTerry Naturally: every row against all products listing it
- Vision Guard iShieldSundown Naturals: every row against all products listing it