🟡 60/100

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  • Zinc: 59mg is 1.5× the Tolerable Upper Intake Level (40mg)
  • 100% of ingredients have research evidence
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Safety Alerts

⚠️ Zinc: 59mg is 1.5× the Tolerable Upper Intake Level (40mg)

This product received a low score because its zinc content exceeds the recommended maximum daily intake level of 40mg.

Label Data

225 mg Serving Size
1111 Servings
Mineral Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

59 mg (390% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.5× (UL: 40 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 59mg UL 40mg

Other Ingredients

None

Label Claims — Verification

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

Directions: As a dietary supplement, take 225mg (1/16 tsp) to 450mg (1/8 tsp) per day, or as directed by a physician. Individual uses vary.

⚠️ Warnings & Precautions

CAUTION: Do not exceed 460 mg in a day.

Warning: This product is not intended for use by those with a serious medical condition or pregnant or lactating women.

Consult your physician before use.

Keep out of reach of children.

🧪 Formulation Notes

Free of: Sugar, soy, dairy, yeast, gluten, corn and additives.

Additional Information

Storage: Keep dry, cool & dark

Lot Number: Date of manufacture

US Standard Measuring Spoons Spoon Size (level) milligrams 1/32 teaspoon 113 1/16 teaspoon 226 1/8 teaspoon 452

Product Details

DSLD Entry Date 2013-09-25
Product Type Mineral
Form Powder
Brand PureBulk.com
DSLD ID 23341
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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