🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 56% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

2 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
56% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
250 mg (278% DV)
25 mcg (125% DV)
✅ 1.7× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.025mg UL 0.1mg
12.5 mg (114% DV)
✅ 1.1× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 12.5mg UL 40mg
📊 Market median: 450.0mg (254 products) 📚 240 studies (Tier A: 0, B: 100)
This product: 250mg
📊 Market median: 500.0mg (76 products)
Median 500.0mg This product: 250mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 125mg
Perilla Leaf Extract
100 mg
5 mg
📊 Market median: 3.0mg (984 products) 📚 236 studies (Tier A: 2, B: 109)
This product: 5mg UL 10mg
BioPerine
5 mg

Other Ingredients

Cellulose Magnesium Stearate

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 before bed.

⚠️ Warnings & Precautions

Caution: Do not exceed recommended dosage. Do not use if seal is broken or missing.

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

Keep out of reach of children.

🧪 Formulation Notes

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

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 00070 6
DSLD Entry Date 2025-06-25
Product Type Other Combinations
Form Capsule
Brand Centurion
DSLD ID 335968
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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