EVIDENCE-BASED SUPPLEMENT SCORING
5.3/10
WEAK

Confidence: 54%

Jarrow Formulas Zinc Balance 15 mg - 100 Servings (Veggie Caps) - Zinc with Copper - Essential Minerals for Immune System Support - Immune Support Supplement - Gluten Free Copper Supplement, Vegan

Jarrow Formulas Zinc Balance 15 mg - 100 Servings (Veggie Caps) - Zinc with Copper - Essential Minerals for Immune System Support - Immune Support Supplement - Gluten Free Copper Supplement, Vegan

B0001VKDDM

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Decision summary

SKIPWEAK

Not a strong option overall. The product is materially held back by weaker ingredient form quality.

Best for

Only budget-focused buyers with flexible standards.

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

7.2/10

Generally solid dosing

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).

Score summary

Zinc: dose within clinically studied range (evidence A). The main limitation is that zinc: chemical form not specified on label.

Strengths

Zinc: dose within clinically studied range (evidence A)

Weaknesses

Zinc: chemical form not specified on label
Copper: chemical form not specified on label

Final verdict

Not a strong option overall. The product is materially held back by weaker ingredient form quality.

Ingredient Analysis & Evidence

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

Meta-analysis

Singh & Das Cochrane review zinc for common cold

Cochrane Database of Systematic Reviews • 2011

PMID: 22553186.0

RCT

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

This is a limiting factor: Dose is below the ranges usually used for stronger effects. 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.

Min effective: 0.9 mgOptimal: 1.5 mgUpper: 10 mgGrade: B
Jarrow Formulas Zinc Balance 15 mg - 100 Servings (Veggie Caps) - Zinc with Copper - Essential Minerals for Immune System Support - Immune Support Supplement - Gluten Free Copper Supplement, Vegan

Jarrow Formulas Zinc Balance 15 mg - 100 Servings (Veggie Caps) - Zinc with Copper - Essential Minerals for Immune System Support - Immune Support Supplement - Gluten Free Copper Supplement, Vegan

Warnings & notes

Important label or formulation details that may affect how this product should be interpreted.

i

Zinc form is not clearly declared

Exact ingredient form is not disclosed on the label.

Info
i

Copper form is not clearly declared

Exact ingredient form is not disclosed on the label.

Info

Methodology

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.

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