🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 40% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size
Other Combinations Product Type
40% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
200 mg (333% DV)
5 mg (333% DV)
📊 4.2× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 5mg
5 mg (250% DV)
📊 3.8× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 5mg UL 100mg
800 mcg (200% DV)
✅ 2.0× RDA — within safe limits 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.8mg UL 1.0mg
3000 mcg (50000% DV)
📊 1250.0× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 3.0mg
Iron
18 mg (100% DV)
50 mg
📊 Market median: 496.0mg (192 products) 📚 20 studies — no high-quality reviews
This product: 50mg
Stomach
50 mg
Duodenum
50 mg
Liver
10 mg

Other Ingredients

Rice Chelate Capsule

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

Recommendations: Take one (1) capsule two times daily or as directed by your physician.

⚠️ Warnings & Precautions

Warning: Accidental overdose or iron-containing products is the leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control immediately.

Keep out of reach of children.

🧪 Formulation Notes

Contains no preservatives.

Supports healthy blood cell production.

Non-GMO

Additional Information

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

Bisphenol-A (BPA) & Phthalate Free

GMP Certified

Priority One Nutritional Supplements Inc since 1988

For professional use only.

Product Details

UPC / SKU 8 15354 02068 6
DSLD Entry Date 2020-10-23
Product Type Other Combinations
Form Capsule
DSLD ID 236752
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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