🟢 96/100

This product looks safe

  • Niacinamide: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • 80% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

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

Label Data

1 Tablet(s) Serving Size
Vitamin Product Type
80% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
500 mg (833% DV)
30 IU (100% DV)
✅ 1.3× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 20.1mg UL 1000mg
10 mg (667% DV)
📊 8.3× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 10mg
10 mg (588% DV)
📊 7.7× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 10mg
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
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
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
12 mcg (200% DV)
📊 5.0× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.012mg
45 mcg (15% DV)
✅ 1.5× RDA — within safe limits 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.045mg
20 mg (200% DV)
📊 4.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 20mg

Other Ingredients

Dicalcium Phosphate Microcrystalline Cellulose Stearic Acid Gelatin Croscarmellose Sodium Hypromellose Magnesium Stearate Magnesium Silicate Titanium Dioxide FD&C Yellow #6 Lake Triacetin Mineral Oil Silica Sodium Benzoate Sorbic Acid Methocel Polyvinylpyrrolidone

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) Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: For adults, take one (1) tablet daily, preferably with a meal.

⚠️ Warnings & Precautions

As a reminder, discuss the supplements and medications you take with your health care provider. Warning: If you are pregnant, nursing or taking any medications or planning any medical procedure, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

To report side effects call: (800) 616-2471

Keep out of the reach of children.

Tamper resistant: Do not use if seal under cap is broken or missing.

🧪 Formulation Notes

Free of: Yeast, wheat, milk or milk derivatives, lactose, sugar, soy, artificial flavor, sodium (less than 5 mg per serving).

Additional Information

Re-Order No. 700447 M-29 Rev 02/10

N Potency guaranteed New Formula High Potency Stress Formula Vitamins

Store in a dry place and avoid excessive heat.

Product Details

UPC / SKU 3 09040 26252 3
DSLD Entry Date 2019-05-28
Product Type Vitamin
Form Tablet or Pill
Brand Major
DSLD ID 202067
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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