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Zinc 30 mg

product on market Tablet or Pill GNC Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Zinc is supported by strong evidence for its role in immune function and cellular metabolism. Research indicates it helps maintain protein synthesis and supports a healthy inflammatory response. The evidence for these primary biological functions is well-established in clinical literature.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Zinc 30 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
90
Servings
Mineral
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

30 mg (273% DV)
2.7× RDA — within safe limits 263 studies (A:6, B:134)

Other Ingredients

Microcrystalline Cellulose Cellulose Magnesium Stearate Dicalcium Phosphate Stearic Acid Silicon Dioxide Croscarmellose Sodium
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take one tablet daily.

Warnings & Precautions

Keep out of reach of children.

Formulation Notes

Supports immune function

No sugar, no starch, no artificial colors, no artificial flavors, no preservatives, sodium free, no wheat, gluten free, no soy, no dairy. Gf gluten free

Additional Information

Store in a cool, dry place.

Fore more information: 1-888-462-2548 GNC.com

90-day supply

Metadata

Product Details

UPC / SKU0 48107 22223 9
DSLD Entry Date2022-02-23
Product TypeMineral
FormTablet or Pill
BrandGNC
DSLD ID260139
Data Updated2026-04-11
Research

Research Evidence

397
Research Sources
55
Avg Quality
200
Meta Analysis
68
Rct
58
Systematic Review
53
Clinical Trial
9
Cochrane Review
2
Narrative Review
2
Regulatory Source
1
Observational
1
Other
1
Openfda Safety
A Zinc supplementation for improving pregnancy and infant outcome
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
A Zinc supplementation for preventing mortality, morbidity, and growth failure in children aged 6 months to 12 years
Narrative Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Oral zinc for treating diarrhoea in children
Meta Analysis The Cochrane database of systematic reviews 2016 PubMed DOI
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Zinc for the prevention or treatment of acute viral respiratory tract infections in adults: a rapid systematic review and meta-analysis of randomised controlled trials
Meta Analysis BMJ open 2021 PubMed DOI
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2010 PubMed DOI
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
A Compression bandages or stockings versus no compression for treating venous leg ulcers
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
A Zinc supplementation for mental and motor development in children
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
A Zinc for the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
View all evidence for Zinc →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.