🟡 60/100

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  • Zinc: 63mg is 1.6× the Tolerable Upper Intake Level (40mg)
  • 100% of ingredients have research evidence
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Product Label

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Safety Alerts

⚠️ Zinc: 63mg is 1.6× the Tolerable Upper Intake Level (40mg)

This product contains 63mg of zinc, which exceeds the recommended maximum daily intake limit of 40mg.

Label Data

450 mg Serving Size
1009 Servings
Mineral Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

63 ng (573% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.6× (UL: 40 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 63mg UL 40mg

Other Ingredients

None

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (84% of products) Nutrient (48% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, take 1/8 teaspoon (450 mg) in juice, preferably between meals, one to three times daily as needed.

⚠️ Warnings & Precautions

Keep out of the reach of children.

Do not use if safety seal is broken or missing.

Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur.

🧪 Formulation Notes

Zinc is an essential mineral that plays an important role in many enzymatic functions and also supports normal growth and development of the reproductive organs. Certain research publications indicate that Zinc may help support the following: Supports energy production. Supports skeletal and immune health. Supports antioxidant protection.

Premium formula

3rd party lab tested

Best Naturals Zinc Gluconate powder is a pure, free-form, non-essential, amino acid and is the highest grade available.

No artificial color, flavor or sweetener, no preservatives, no sugar, no starch, no corn, no soy, no egg, no milk, no lactose, no gluten, no wheat, no yeast, no fish. Sodium free.

Additional Information

Keep in cool, dry place.

Packaged in USA

GMP Good Manufacturing Practice Product

For additional information call: 1-877-659-6004

Product Details

UPC / SKU 8 17716 01838 6
DSLD Entry Date 2022-06-16
Product Type Mineral
Form Powder
DSLD ID 270275
Data Updated 2026-04-11

Research Evidence

397 Research Sources
55 Avg Quality Score
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
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
A Oral zinc for treating diarrhoea in children
Meta Analysis The Cochrane database of systematic reviews 2016
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2014
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
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2010
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2012
A Compression bandages or stockings versus no compression for treating venous leg ulcers
Meta Analysis The Cochrane database of systematic reviews 2021
A Zinc supplementation for mental and motor development in children
Meta Analysis The Cochrane database of systematic reviews 2012
A Zinc for the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
View all evidence for Zinc →

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