🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

3 Vegetarian Capsule(s) Serving Size
30 Servings
Botanical Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
10 mg (17% DV)
400 mg
📊 Market median: 500.0mg (138 products) 📚 2 studies — no high-quality reviews
This product: 400mg
📊 Market median: 300.0mg (122 products) 📚 22 studies (Tier A: 0, B: 7)
This product: 350mg
Oatstraw
800 mg
Eleuthero (root) extract
19 mg
📊 Market median: 420.0mg (127 products) 📚 1 studies (Tier A: 0, B: 1)
This product: 19mg

Other Ingredients

Rice Chelate Maltodextrin Vegetarian Capsule

Label Claims — Verification

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

Target Groups

Vegetarian Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Recommendations: Take three (3) capsules daily, or as directed by your physician.

⚠️ Warnings & Precautions

Warning: If you are pregnant or breast feeding, consult your physician before using this product.

Keep out of reach of children.

🧪 Formulation Notes

Contains no preservatives. Bisphenol-A (BPA) & Phthalate Free

Vegetarian formulation

Non-GMO

Additional Information

Keep container tightly closed, store in a cool, dry place.

GMP Certified

Priority One Nutritional Supplements Inc. Since 1988

For professional use only.

Product Details

UPC / SKU 8 15354 02159 1
DSLD Entry Date 2021-08-23
Product Type Botanical
Form Capsule
DSLD ID 253036
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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