🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 14% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

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Label Data

2 Tablet(s) Serving Size
30 Servings
Other Combinations Product Type
14% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
80 mg (133% DV)
Organic Acerola (Malpighia glabra) juice concentrate powder
486 mg
📊 Market median: 400.0mg (380 products) 📚 34 studies (Tier A: 1, B: 10)
This product: 150mg
organic Maitake mushroom powder
100 mg
Organic Shiitake mushroom powder
100 mg
📊 Market median: 340.0mg (243 products) 📚 3 studies — no high-quality reviews
This product: 50mg
Digestive Proprietary Blend
6 mg

Other Ingredients

Rice Dextrin Potato Starch Arrowroot Silicon Dioxide Gum Arabic

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) Organic

Product Information

📋 Directions for Use

DIRECTIONS: (Adult) Take two (2) tablets twice daily.

⚠️ Warnings & Precautions

USAGE WARNING: Do not use if safety seal is broken.

Check with your doctor before using this product if you are using medication or have any medical conditions. Do not use if you may become pregnant, are pregnant or nursing.

Do not exceed recommended daily intake.

Not intended for use by persons under 18. KEEP OUT OF REACH OF CHILDREN.

🧪 Formulation Notes

~Organic Acerola Berry and Echinacea Concentrates: An excellent source of Vitamin C, Acerola Berry strengthens your body’s resistance and immune system to help maintain overall wellness.* Echinacea enjoys a wide-spread reputation as an immune system stimulant to support your body’s natural defense mechanisms.* ~Organic Mushroom Formula: A unique blend of Shiitake, Maitake and Reishi mushrooms – highly prized by traditional Herbalists for their ability to tonify the immune system. ~Soothing Organic Papaya and Ginger blend: Every Irwin Organics(R) formula integrates a proprietary blend of organically sourced Papaya and Ginger concentrates, traditionally used as natural digestive aids.*

~Vegan

Power-Packed with Vitamin C to Strengthen the Body's Immune Health Organic Ginger & Papaya Concentrates Promote Digestive Health

Certified Organic by: QAI.

Additional Information

This unique blend can help strengthen your body’s resistance and boost your natural defenses to maintain wellness.*

That means they’re good for your health, and the health of the environment.

QUESTIONS: Call Consumer Affairs 1-800-297-3273 Weekdays 8:00 am to 5:00 pm (PST) Questions@IrwinNaturals.com

Store in a cool, dry place.

4499-LAB-04/14 IO037450 Ver. 04

~Natural

~Certified

USDA ORGANIC

QUALITY ASSURANCE INTERNATIONAL CERTIFIED ORGANIC

Product Details

UPC / SKU 7 10363 57450 5
DSLD Entry Date 2015-05-22
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 45715
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
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
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
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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