🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 43% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

2 Lozenge(s) Serving Size
24 Servings
Botanical with Nutrients Product Type
43% Evidence Coverage

Supplement Facts — Evidence Check

Calories
5 Calorie(s)
Total Carbohydrates
1 Gram(s) (1% DV)
Vitamin A
600 mcg (67% DV)
Vitamin C
200 mg (222% DV)
20 mg (182% DV)
✅ 1.8× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 20mg UL 40mg
1 mg (111% DV)
✅ 1.1× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 1mg UL 10mg
📊 Market median: 400.0mg (380 products) 📚 34 studies (Tier A: 1, B: 10)
This product: 20mg

Other Ingredients

Sorbitol Sucrose Fructose Natural Flavors Stearic Acid Magnesium Stearate Citric Acid

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

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take tow to four lozenges. Allow the lozenges to dissolve slowly in the mouth before swallowing. Do not chew.

⚠️ Warnings & Precautions

Keep out of reach of children.

Contains: Soybeans.

Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Discontinue use two weeks prior to surgery.

🧪 Formulation Notes

GNC Ultra Zinc Lozenge is scientifically designed to support a healthy immune system and provide antioxidant protection. Each lozenge is blister packed to be portable and easy to use.

Echinacea and Zinc - Key ingredients that help support natural resistance. Vitamins A and C - Essential antioxidant vitamins that protect cells against the damage caused by free radicals.

May help support natural resistance

With vitamin C & echinacea Natural Flavor

All mineral amounts shown are elemental. Conforms to USP <2091> for weight.

No artificial colors, no artificial flavors, no preservatives, sodium free, no wheat, gluten free, no dairy.

Additional Information

Store in a cool, dry place.

Our quality commitment to you Since 1935, our mission as the industry leader has been to provide you with the highest-quality nutritional supplements. We continue to stand behind this mission. If you're not 100% satisfied with your purchase, return the unused portion of the product with your receipt within 30 days and we'll either refund your money or find a replacement product that is right for you.

24 servings

Product Details

DSLD Entry Date 2021-01-22
Product Type Botanical with Nutrients
Form Lozenge
Brand GNC
DSLD ID 243012
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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