| Ingredient | Amount | % DV% Daily Value — how much of the recommended daily intake one serving provides, based on a 2,000 calorie diet. 100% = full daily need. Values over 100% are common for water-soluble vitamins (B, C) and generally safe. Values over 200% are highlighted. |
|---|---|---|
| Vitamin A | 25000 IU | 500% |
| Zinc | 25 mg | 167% |
| Lutein | 20 mg | — |
| Bilberry 20% extract | 80 mg | — |
| Grape 95% extract | 100 mg | — |
| Quercetin | 100 mg | — |
| L-Taurine | 400 mg | — |
| N-Acetyl-L-Cysteine | 200 mg | — |
| Lycopene | 3 mg | — |
Other ingredients: Gelatin, Dicalcium Phosphate, Magnesium Stearate, Stearic Acid, Microcrystalline Cellulose
This score evaluates label quality — dosage disclosure, transparency, cleanliness of inactive ingredients, and formula composition. It does not measure clinical efficacy, bioavailability, or third-party testing. Read full methodology
The research summaries below are about the ingredients in general, drawn from published studies that often use different doses, forms, and populations than this product. A "strong" evidence rating for an ingredient does not mean this product will produce that effect — studied doses may be significantly higher or lower than what is contained here. Always verify doses against the Supplement Facts table above.
Essential for rhodopsin production in the retina. Deficiency causes night blindness — one of the earliest recognized nutritional deficiencies.
Critical role in maintaining mucosal barriers and immune cell function.
Zinc is a cofactor for over 300 enzymes involved in immune cell development and function. Supplementation may reduce duration of common cold symptoms, particularly as lozenges. Essential for maintaining immune barrier integrity.
Essential for skin integrity and wound repair processes.
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