Zinc & C Lozenges by Swanson — Ingredients, Evidence & Safety

Product Label

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Label Data

1 Lozenge(s) Serving Size

200 Servings

Single Vitamin and Mineral Product Type

25% Evidence Coverage

Supplement Facts — Evidence Check

Calories

5 Calorie(s)

Total Carbohydrate

1 Gram(s) (1% DV)

Vitamin C

100 mg (111% DV)

Zinc

25 mg (227% DV)

✅ 2.3× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 25mg UL 40mg

Other Ingredients

Fructose Orange Flavor, Natural Stearic Acid Magnesium Stearate Annatto Turmeric Maltodextrin Lemon Flavor, Natural

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)

Product Information

📋 Directions for Use

Suggested use: As a dietary supplement, dissolve one lozenge in the mouth two times per day. If desired, both lozenges may be consumed at the same time.

⚠️ Warnings & Precautions

Taking zinc on an empty stomach may cause stomach upset in some people.

Warning: For adults only. Keep out of reach of children.

Consult your physician before using this or any product if you are pregnant or nursing, taking medication or have a medical condition.

Do not use if seal is broken.

🧪 Formulation Notes

Potent antioxidant combo reinforces your body's defenses

Vitamin C with highly bioavailable zinc for immune health support

Immune health 2-in-1 formula

Orange & lemon flavor

Additional Information

Science-backed quality since 1969

Store in a cool, dry place.

Product Details

UPC / SKU 0 87614 01840 9

DSLD Entry Date 2024-02-22

Product Type Single Vitamin and Mineral

Form Lozenge

Brand Swanson

DSLD ID 308821

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

PubMed DOI Cochrane

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 Cochrane

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 Cochrane

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 Cochrane

A Zinc supplements for preventing otitis media

Meta Analysis The Cochrane database of systematic reviews 2012

PubMed DOI Cochrane

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