🟢 92/100

This product looks safe

  • Vitamin D: 50mg is 500.0× the Tolerable Upper Intake Level (0.1mg)
  • 80% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Vitamin D: 50mg is 500.0× the Tolerable Upper Intake Level (0.1mg)

Label Data

2 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
80% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
500 mg (556% DV)
50 mg (250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 500.0× (UL: 0.1 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 50mg UL 0.1mg
25 mg (227% DV)
✅ 2.3× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 25mg UL 40mg
2 mg (222% DV)
✅ 2.2× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 2mg UL 10mg
250 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 250mg

Other Ingredients

Cellulose Magnesium Stearate Silicon Dioxide Rice Flour

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Take 2 capsules daily.

⚠️ Warnings & Precautions

Caution: Do not exceed recommended dosage.

Consult a physician if you are pregnant, nursing, or taking any prescription medications.

Do not use if seal is broken or missing.

🧪 Formulation Notes

Dosage and administration: Centurion Defender is a dietary supplement designed to help support immune health and assist in defending against viral strains such as the flu, common cold and corona virus.

Capsule colors can change over time due to natural colors.

Additional Information

Order at: www.centurionlabs.com

Store out of direct sunlight in a cool, dry place.

Product Details

UPC / SKU 3 23359 00006 5
DSLD Entry Date 2025-05-21
Product Type Other Combinations
Form Capsule
Brand Centurion
DSLD ID 335969
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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