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Immune Defense

product on market Tablet or Pill MegaFood Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 60% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C and zinc have strong evidence for supporting immune function and reducing cold duration. Elderberry, echinacea, and andrographis are commonly used for respiratory support, though research evidence for these botanicals is more limited. The ingredient profile maintains a high safety score.

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

Label

Product Label

Label for Immune Defense
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
15
Servings
Botanical with Nutrients
Product Type
60%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
250 mg (278% DV)
5 mg (45% DV)
Within RDA (0.5× RDA) 263 studies (A:6, B:134)
600 mg
Market median: 175.0mg (497 products) 11 studies (A:0, B:1)
Market median: 400.0mg (380 products) 36 studies (A:1, B:10)
Andrographis Aerial Parts Extract
100 mg

Other Ingredients

Microcrystalline Cellulose Hypromellose Brown Rice Ferment Media Silicon Dioxide Stearic Acid Rice Protein
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: 2 tablets 3 times a day with a beverage for 5 days. May be taken anytime throughout the day, even on an empty stomach.

Warnings & Precautions

Do not exceed 1 bottle every 14 days.

If pregnant, nursing, or you have a health condition, consult your healthcare practitioner before taking this product.

Keep out of reach of children.

Formulation Notes

Non GMO Project Verified nongmoproject.org Certified NSF Gluten-free Dairy free Soy free Tested 125+ No pesticides & herbicides Glyphosate Residue free detoxproject.org

Certified Vegan Vegan.org

OK (Kosher)

5-Day intense wellness plan

Immune Defense with oranges, elderberries, echinacea & andrographis

Immune Defense supports immune health when you need it most. It's made vitamin C, zinc and elderberry, plus echinacea and andrographis - bitter herbs known to support immune health. This MegaFood product is made with real food, wholesome nutritional yeast and added nutrients. This vitamin is paired with a whole food in our unique process.

We believe that the most nutritious food comes from healthy soils and valued farmers. Our goal is to work with farmers who share our commitment to organic and regenerative agriculture. megafood.com/farmers

Additional Information

To learn about our seals, please visit megafood.com/standards.

Non GMO Project Verified nongmoproject.org Certified Vegan Vegan.org Certified NSF Gluten-free OK (Kosher) Glyphosate Residue free detoxproject.org Certified B Corporation

Satisfaction guaranteed or your money back. We believe that the most nutritious food comes from healthy soils and valued farmers. Our goal is to work with farmers who share our commitment to organic and regenerative agriculture. megafood.com/farmers

Store tightly sealed in a cool place and avoid exposure to moisture. Once open, consume within three months.

Metadata

Product Details

UPC / SKU0 51494 10366 1
DSLD Entry Date2023-06-22
Product TypeBotanical with Nutrients
FormTablet or Pill
DSLD ID287373
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.