| 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 C | 100 mg | 125% |
| Vitamin B2 | 3.2 mg | 229% |
| Iron | 14 mg | 100% |
| Malic Acid | 100 mg | — |
Other ingredients: Vitamin C, Malic Acid, Iron Citrate, Hydroxypropyl Methylcellulose, Cellulose, Vitamin B2, Magnesium Stearate
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
Same category, higher SupplementScore. Based on dosage transparency, label cleanliness, and formula quality.
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.
Supports immune cell function. Regular supplementation may modestly reduce cold duration, but does not prevent colds.
Potent water-soluble antioxidant that protects cells from oxidative damage.
Essential cofactor for enzymes involved in collagen production.
Iron supplementation is used to address iron deficiency. Should be taken under medical supervision as excess iron can be harmful.
Iron is essential for oxygen transport and cellular energy production.
At 400mg/day (far above RDA of 1.3mg), riboflavin may reduce migraine frequency. Effect is dose-dependent and not expected at typical supplement doses.
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Alternatives are selected from the same category (Iron) with a higher overall score. This is not a recommendation — always verify ingredients and dosages match your needs.