Immune Defense

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

This product looks safe

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

Product Label

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Label Data

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

Supplement Facts — Evidence Check

Vitamin C
250 mg (278% DV)
5 mg (45% DV)
✅ Within RDA (0.5× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 5mg UL 40mg
600 mg
📊 Market median: 175.0mg (497 products) 📚 11 studies (Tier A: 0, B: 1)
This product: 600mg
500 mg
📊 Market median: 400.0mg (380 products) 📚 34 studies (Tier A: 1, B: 10)
This product: 500mg
Andrographis Aerial Parts Extract
100 mg

Other Ingredients

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

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Kosher Gluten Free Dairy Free

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.

Product Details

UPC / SKU 0 51494 10366 1
DSLD Entry Date 2023-06-22
Product Type Botanical with Nutrients
Form Tablet or Pill
Brand MegaFood
DSLD ID 287373
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
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 Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
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 Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
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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