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Vitamin C + Zinc

product on market Capsule Viva Naturals Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C and zinc are supported by strong evidence for their roles in immune function and antioxidant protection. Research indicates these nutrients help maintain cellular health and support the body's natural defenses. However, the overall evidence coverage for this specific formulation remains very limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Vitamin C + Zinc
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetarian Capsule(s)
Serving Size
250
Servings
Single Vitamin and Mineral
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1111% DV)
20 mg (182% DV)
1.8× RDA — within safe limits 263 studies (A:6, B:134)

Other Ingredients

Hypromellose Vegetable Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

1 Capsule/serving Suggested use: Take 1 capsule daily with a meal or as recommended by your healthcare practitioner.

Warnings & Precautions

Caution: With any dietary supplement, consult your healthcare practitioner before using this or any other product if you are pregnant, nursing, trying to conceive, taking medication or have a medical condition.

Keep out of reach of children.

Do not use if safety seal under cap is broken or missing.

Formulation Notes

Good for: Meeting your daily dose of Vitamin C + Zinc. Helps boost your immune function and provides antioxidant protection by fighting free radicals. Made with: A powerful vitamin C botanical blend with rose hips and citrus bioflavonoids for better absorption. Our formula is further enhanced with zinc sulfate, a more bioavailable source than your typical zinc oxide.

Non GMO Gluten free Dairy free

Veggie friendly

Supports immune health Antioxidant protection

1000 mg vitamin C + 20 mg zinc

Manufactured without gluten, dairy or GMOs.

Additional Information

Viva Naturals Promise We’re really proud of the products we make. But, if you’re unhappy with your Viva Naturals purchase for any reason, just let us know within 90 days. We’ll be happy to refund your money, no questions asked and no hard feelings.

Third Party Certified Purity & Potency

Storage information: Store in a cool, dry place protected from heat and light.

Metadata

Product Details

UPC / SKU8 85710 03057 4
DSLD Entry Date2022-10-24
Product TypeSingle Vitamin and Mineral
FormCapsule
DSLD ID275624
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.