🟢 97/100

This product looks safe

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • 42% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Label Data

3 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
42% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
180 mg (300% DV)
50 mg (250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 50mg UL 35mg
45 mg (450% DV)
📊 9.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 45mg
200 mcg (5% DV)
✅ Within RDA (0.5× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.2mg UL 1.0mg
3 mcg (50% DV)
✅ 1.3× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.003mg
6 mg (300% DV)
✅ 2.6× RDA — within safe limits 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 6mg UL 11mg
1000 mg
📊 Market median: 1000.0mg (1115 products) 📚 22 studies (Tier A: 0, B: 9)
This product: 1000mg
📊 Market median: 600.0mg (79 products) 📚 24 studies (Tier A: 0, B: 6)
This product: 500mg
MSM
100 mg
📊 Market median: 1000.0mg (2 products)
This product: 100mg
Sugarcane Extract
25 mg
Superoxide Dismutase
20 mcg
Catalase
20 mcg

Other Ingredients

Capsule shell Water Magnesium Stearate

Label Claims — Verification

All Other
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

RECOMMENDATION: Three (3) capsules each day as a dietary supplement or as otherwise directed by a healthcare professional.

⚠️ Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN

Sealed with an imprinted safety seal for your protection.

Contains ingredients derived from shrimp and crab shell.

🧪 Formulation Notes

with Glucosamine, Purified Chondroitin Sulfate with Added Nutrient Synergists

Additional Information

Store in a cool, dry area.

Rev. 4/10

Specially grown, biologically active vegetable culture containing naturally associated phytochemicals including polyphenolic compounds with SOD and catalase, dehydrated at low temperature to preserve associated enzyme factors.

Lot Number: 34021A Exp. Date: MAY 12

Product Details

DSLD Entry Date 2013-05-24
Product Type Other Combinations
Form Capsule
DSLD ID 21565
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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