| 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 | 66 mg | 110% |
| Vitamin E | 110 IU | 370% |
| Calcium | 54 mg | 6% |
| Magnesium | 80 mg | 20% |
| Zinc | 8 mg | 55% |
| Selenium | 112 mcg | 160% |
| Copper | 540 mcg | 25% |
| Manganese | 9.4 mg | 470% |
| Molybdenum | 660 mcg | 880% |
| Boron | 2.4 mg | — |
| N-Acetyl-D-Glucosamine | 134 mg | — |
| Chondroitin Sulfate | 260 mg | — |
| Glucosamine Sulfate | 1 Gram(s) | — |
| L-Lysine Hydrochloride | 134 mg | — |
| L-Proline | 214 mg | — |
| Hawthorn (berry) extract | 590 mg | — |
| Horsetail (stem) extract | 13.4 mg | — |
| Bromelain | 20 mg | — |
Other ingredients: Hydroxypropyl Methylcellulose, Microcrystalline Cellulose, Magnesium Stearate, Ethyl Vanillin
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.
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.
Primary structural component of bones. Adequate lifelong intake, combined with vitamin D, helps prevent osteoporosis — supported by extensive clinical evidence.
Essential for muscle contraction through calcium signaling.
May improve sleep quality, especially in older adults and those with low magnesium status.
60% of body magnesium is stored in bone. Essential for bone mineralization.
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All scores are algorithmically generated from publicly available label data (NIH Dietary Supplement Label Database) and reflect label quality — not clinical efficacy, safety, or product quality. This page is not affiliated with or endorsed by NutriCology. If you represent this brand and believe any information is inaccurate, please contact us for a correction. Read full methodology
Alternatives are selected from the same category (Vitamin C) with a higher overall score. This is not a recommendation — always verify ingredients and dosages match your needs.
May reduce muscle cramps and support post-exercise recovery.
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.
Protects polyunsaturated fatty acids in cell membranes from oxidation.
May help protect skin from UV damage when combined with vitamin C.