🟢 97/100

This product looks safe

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • 67% 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

1 Tablet(s) Serving Size
100 Servings
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
150 mg (167% DV)
5 mg (417% DV)
📊 4.2× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 5mg
5 mg (385% DV)
📊 3.8× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 5mg
50 mg (313% 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
5 mg (294% 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
12.5 mcg (521% DV)
📊 5.2× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.0125mg
12.5 mcg (42% DV)
✅ Within RDA (0.4× RDA of 0.03 mg) 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.0125mg
25 mg (500% DV)
📊 5.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 25mg
Iron
20 mg (111% DV)
20 mg (4% DV)
📊 Market median: 125.0mg (294 products) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 20mg UL 3500mg
50 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 50mg
📊 Market median: 500.0mg (9 products)
This product: 15mg

Other Ingredients

Microcrystalline Cellulose Stearic Acid Dicalcium Phosphate Croscarmellose Sodium Magnesium Stearate Silica Hypromellose Glycerin Carnauba Wax Talc

Label Claims — Verification

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

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: Take 1 tablet daily as a dietary supplement or as directed by a healthcare professional.

⚠️ Warnings & Precautions

Keep out of reach of children.

Do not purchase if seal is broken.

🧪 Formulation Notes

Antioxidant support General wellness

No sugar, wheat, soy, milk, artificial colors, flavors or preservatives Non GMO - Gluten Free - Vegan

Non GMO - Gluten Free - Vegan

Additional Information

Protect from heat, light & moisture. Store in a cool, dry place.

Made in the U.S.A. from globally sourced ingredients.

Product Details

UPC / SKU 0 35046 01136 9
DSLD Entry Date 2025-08-22
Product Type Other Combinations
Form Tablet or Pill
Brand Windmill
DSLD ID 333528
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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