🟢 100/100

This product looks safe

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

Product Label

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Label Data

1 Capsule(s) Serving Size
200 Servings
Mineral Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

30 mg (200% DV)
✅ 2.7× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 30mg UL 40mg

Other Ingredients

Gelatin Capsule Rice Flour Stearic Acid Magnesium Stearate

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Vitacost L-OptiZinc(R) Directions As a dietary supplement, take 1 capsule daily with food or as directed by a physician.

⚠️ Warnings & Precautions

Warnings Pregnant or lactating women, diabetics, hypoglycemics, and people with known medical conditions and/or taking drugs, should consult with a licensed physician and/or pharmacist prior to taking dietary supplements.

Keep out of reach of children.

🧪 Formulation Notes

Premium form of zinc.

Vitacost L-OptiZinc is a unique, patented form of zinc. It consists of the mineral zinc bound to the natural and more bioavailable "L" form of the amino acid methionine (L-methionine).

Additional Information

Store in a cool, dry place.

L-OptiZinc(R)

What is Vitacost L-OptiZinc?

Supports a healthy immune system. Also provides antioxidant protection.

Product Details

UPC / SKU 8 35003 00109 5
DSLD Entry Date 2015-05-22
Product Type Mineral
Form Capsule
Brand Vitacost
DSLD ID 45627
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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