Confidence: 90%
B08JCJNK9N
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Decision summary
A middling option. It may be usable, but weaker formulation coherence makes better alternatives worth comparing.
Best for
Buyers comparing price and availability and okay with a middle-of-the-pack option.
Consider another option if
You prefer fully transparent formulas over blends and ambiguous labeling.
Score breakdown
Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.
Dosage quality
3.1/10Dosing looks weaker than ideal
Checks whether labeled ingredient amounts fall within clinically studied ranges (not just regulatory minimums). Low/0 can reflect under-dosing or missing amounts (e.g., proprietary blends).
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Dose 3.1/10 · Bioavailability 5.2/10 · Coherence 0/10
Dose quality suggests a diluted formulation.
A proprietary blend limits independent dose verification.
This is a multi-ingredient product. The score reflects formulation quality, not efficacy for a specific health goal.
Vitamin-d: high-bioavailability form declared (Cholecalciferol (D3)). The main limitation is that proprietary blend prevents independent dose verification.
Strengths
Weaknesses
Final verdict
A middling option. It may be usable, but weaker formulation coherence makes better alternatives worth comparing.
A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.
⚠ Strong evidence exists, but dose may be too low to be effective
A clear drag on the formula: Dose is likely below clinically useful levels. The declared form supports strong absorption.
Scientific evidence
Martineau et al. meta-analysis vitamin D supplementation and respiratory infections
BMJ • 2017
PMID: 26864360.0
Bischoff-Ferrari et al. meta-analysis vitamin D fracture prevention
BMJ • 2009
PMID: 20198382.0
ℹ At the minimum effective range, but below the optimal dose with moderate supporting evidence
Dose meets the minimum effective range, but is below the optimal dose used for stronger effects. One of the weaker points: Dose is below the ranges usually used for stronger effects.
Scientific evidence
Patel et al. systematic review biotin and hair/nail health
Skin Appendage Disorders • 2017
PMID: 28786550.0
ℹ Dose is within established clinical ranges, but lacks direct studies
Dose is within the optimal/effective range. A clear strength: Dose is strong and within effective ranges. The declared form supports strong absorption.
Clinical dosing guidance
Based on established dosing ranges used in clinical practice.
ℹ At the minimum effective range, but below the optimal dose; evidence is strong
Dose meets the minimum effective range, but is below the optimal dose used for stronger effects. Adequate, but not a key strength: Dose is directionally useful, but not a standout strength. The declared form is acceptable, but not among the best-absorbed options.
Scientific evidence
Singh & Das Cochrane review zinc for common cold
Cochrane Database of Systematic Reviews • 2011
PMID: 22553186.0
Prasad et al. RCT zinc supplementation and testosterone in elderly men
Nutrition • 1996
PMID: 8875519.0
ℹ Dose is within established clinical ranges, but lacks direct studies
Dose meets the minimum effective range, but is below the optimal dose used for stronger effects. One of the weaker points: Dose is below the ranges usually used for stronger effects.
Clinical dosing guidance
Based on established dosing ranges used in clinical practice.
ℹ At the minimum effective range, but below the optimal dose and supported by limited evidence
Dose meets the minimum effective range, but is below the optimal dose used for stronger effects. A clear drag on the formula: Dose is below the ranges usually used for stronger effects.
Scientific evidence
Hodges et al. review on pantothenic acid physiology and human deficiency implications
Advances in Nutrition • 2020
Important label or formulation details that may affect how this product should be interpreted.
Proprietary blend limits dose transparency
Exact ingredient amounts cannot be verified clearly.
Vitamin D dose looks below clinically effective levels
Declared amount falls below ranges used in human trials.
Formula design looks less coherent than stronger alternatives
The formulation appears less focused than better-built options.
Read our methodology overview to understand how SuppScoreLab combines multiple scientific dimensions into one practical score.
View methodology →This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.
See the best Collagen supplements ranked with the same methodology, or keep exploring the database.
