Confidence: 68%
B09V4PL13G
View on Amazon →Decision summary
Not a strong option overall. The product is materially held back by weaker formulation coherence.
Best for
Buyers comparing price and availability and okay with a middle-of-the-pack option.
Consider another option if
You care a lot about label clarity and want fewer unknowns.
Score breakdown
Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.
Dosage quality
5.9/10Acceptable dosing, but not standout
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).
Dose 5.9/10 · Bioavailability 2.3/10 · Coherence 0/10
Ingredient form quality suggests suboptimal ingredient forms.
A proprietary blend limits independent dose verification.
Some ingredient forms are not declared on the label.
This is a multi-ingredient product. The score reflects formulation quality, not efficacy for a specific health goal.
Zinc: dose within clinically studied range (evidence A). The main limitation is that proprietary blend prevents independent dose verification.
Strengths
Weaknesses
Final verdict
Not a strong option overall. The product is materially held back by weaker formulation coherence.
A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.
✔ Clinically effective dose with strong supporting evidence
This is a limiting factor: Dose is strong and within effective ranges. The label does not specify the form, so absorption quality cannot be verified.
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
Evidence inferred from established knowledge, not directly linked studies
A clear drag on the formula: Dose is likely below clinically useful levels. The label does not specify the form, so absorption quality cannot be verified.
Clinical dosing guidance
Based on established dosing ranges used in clinical practice.
✔ Clinically effective dose with moderate supporting evidence
A clear strength: Dose is strong and within effective ranges. The declared form supports strong absorption.
Scientific evidence
Balk et al. systematic review chromium picolinate and glycemic control
Diabetes Technology & Therapeutics • 2007
PMID: 17519436.0
✔ Clinically effective dose with moderate supporting evidence
Strong contributor: Dose is strong and within effective ranges. The declared form is acceptable, but not among the best-absorbed options.
Scientific evidence
Bryan et al. RCT on B vitamins and cognitive function in older adults
American Journal of Clinical Nutrition • 2002
PMID: 16920179.0
ℹ Dose is within established clinical ranges, but lacks direct studies
This is a limiting factor: Dose is below the ranges usually used for stronger effects. The declared form supports strong absorption.
Clinical dosing guidance
Based on established dosing ranges used in clinical practice.
✔ Clinically effective dose with moderate supporting evidence
Strong contributor: Dose is strong and within effective ranges. The declared form is acceptable, but not among the best-absorbed options.
Scientific evidence
Clarke et al. meta-analysis B vitamins and cognitive decline
American Journal of Clinical Nutrition • 2007
PMID: 22243457.0
Shipton & Thachil review of vitamin B12 deficiency and fatigue
Postgraduate Medical Journal • 2015
PMID: 20648714.0
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 A dose looks below clinically effective levels
Declared amount falls below ranges used in human trials.
Vitamin A form is not clearly declared
Exact ingredient form is not disclosed on the label.
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 Zinc supplements ranked with the same methodology, or keep exploring the database.
