🟢 95/100

This product looks safe

  • Niacinamide: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • 75% of ingredients have research evidence
C Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Safety Alerts

⚠️ Niacinamide: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)

Label Data

1 Capsule(s) Serving Size
45 Servings
Other Combinations Product Type
75% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
112 mg (187% DV)
2.5 mg (3125% DV)
📊 20.8× RDA — above typical dose 📚 273 studies (Tier A: 9, B: 175)
RDA 0.12mg This product: 2.5mg
100 mg (500% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 2.9× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 100mg UL 35mg
200 mcg (66% DV)
📊 6.7× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.2mg
200 mcg (286% DV)
📊 3.6× RDA — above typical dose (UL: 0.4 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.2mg UL 0.4mg
📊 Market median: 200.0mg (198 products) 📚 6 studies — no high-quality reviews
This product: 300mg
250 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 250mg
📊 Market median: 100.0mg (284 products) 📚 10 studies (Tier A: 0, B: 4)
This product: 50mg

Other Ingredients

Gelatin Magnesium Stearate Silicon Dioxide

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

Suggested Use: Take 1-2 capsules twice daily or as directed by a health care professional.

⚠️ Warnings & Precautions

Caution: Not intended for use by pregnant or lactating women.

Diabetics, use only under a physician's supervision. Seek the advice of a health professional before using this product.

Keep out of reach of children.

Do not use if outer seal is broken.

Additional Information

Store in a cool, dry place.

Manufactured in a GMP registered facility

Vitamin C Potentiator

450 mg ea

Product Details

UPC / SKU 6 74856 00003 5
DSLD Entry Date 2018-08-31
Product Type Other Combinations
Form Capsule
DSLD ID 179939
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 →

Compare Similar Products

View all Vitamin C products →