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Zinc Gluconate 50 mg

product on market Capsule NutraBio Safety: 60/100
60/100

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  • Zinc: 50mg is 1.2× the Tolerable Upper Intake Level (40mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

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

Zinc is supported by strong evidence for supporting immune function and cellular metabolism. However, the 50 mg dosage exceeds the recommended upper limit for daily intake. This high concentration may lead to safety concerns, including potential copper deficiency with long-term use.

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

Alerts

Safety Alerts

Zinc: 50mg is 1.2× the Tolerable Upper Intake Level (40mg)

AI-generated · Qwen 3.6 · grounded in 2 sources · methodology

This product received a low safety score because it contains 50mg of zinc, which exceeds the recommended daily upper limit of 40mg.

Label

Product Label

Label for Zinc Gluconate 50 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetable Capsule(s)
Serving Size
120
Servings
Mineral
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

50 mg (450% DV)
Exceeds UL by 1.2× (UL: 40 mg) 263 studies (A:6, B:134)

Other Ingredients

Vegetable Capsule
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

1 capsule 1-2x daily Suggested Use: As a dietary supplement, take 1 capsule daily, 1-2 times daily, or as directed by your physician.

Warnings & Precautions

Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.

If you are pregnant, breast feeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medication(s) consult with your health care practitioner before using this product.

Fiber binds with zinc and can inhibit the absorption and availability of copper. While this can be a good thing for individuals with overly high copper levels, it can be a problem for people with copper deficiency.

Take any antibiotics 2 hours apart from a zinc supplement.

Signs of zinc toxicity include stomach upsets, diarrhea, vomiting, kidney problems. Zinc toxicity can be fatal. Discontinue use two weeks prior to surgery.

Formulation Notes

Vegetarian

Non-GMO Gluten free Lactose free

Manufactured in our GMP & FDA inspected facility FDA Registration: 16906175560

No fillers No excipients Free of harmful impurities

HPLC Lab Tested for Potency Made in our GMP & FDA inspected facility

OU (Kosher)

Additional Information

Since 1996

Made in our GMP & FDA inspected facility

OU (Kosher)

Store in a cool dry place

Made in USA

Metadata

Product Details

UPC / SKU6 49908 24166 7
DSLD Entry Date2020-11-21
Product TypeMineral
FormCapsule
DSLD ID239346
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
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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.