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Centurion Defender Immunity Boost

product on market Capsule Centurion Safety: 92/100
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

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C, D, and Zinc have strong evidence for supporting immune function and respiratory health. Quercetin and copper provide moderate to limited support for cellular defense and enzyme activity. With a safety score of 92, the profile is generally well-tolerated.

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

Alerts

Safety Alerts

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

Label

Product Label

Label for Centurion Defender Immunity Boost
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

Vitamin C
500 mg (556% DV)
50 mg (250% DV)
Exceeds UL by 500.0× (UL: 0.1 mg) 608 studies (A:16, B:251)
25 mg (227% DV)
2.3× RDA — within safe limits 263 studies (A:6, B:134)
2 mg (222% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
250 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)

Other Ingredients

Cellulose Magnesium Stearate Silicon Dioxide Rice Flour
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

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.

Metadata

Product Details

UPC / SKU3 23359 00006 5
DSLD Entry Date2025-05-21
Product TypeOther Combinations
FormCapsule
DSLD ID335969
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.