🟢 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

4 Tablet(s) Serving Size
15 Servings
Other Combinations Product Type
40% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1667% DV)
1500 mg
📊 Market median: 200.0mg (136 products) 📚 3 studies — no high-quality reviews
This product: 1500mg
1200 mg
📊 Market median: 450.0mg (254 products) 📚 240 studies (Tier A: 0, B: 100)
This product: 1200mg
Willow bark (Salix alba) extract
900 mg
300 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 300mg

Other Ingredients

Cellulose Stearic Acid Croscarmellose Sodium Vegetable 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) Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested use for adults: Four tablets daily, or as directed by your health care practitioner.

🧪 Formulation Notes

This product contains no yeast, wheat, soy, corn, milk, salt, sugar, artificial coloring, preservatives or flavoring.

Additional Information

0043981 4-13

Effective Formula for Tissue Restoration

KARUNA(R) RESPONSIBLE NUTRITION(TM)

This product is intended for professional use and is manufactured under strict quality control to ensure the optimum in purity, potency and reliability.

Keep in a cool, dry place, tightly capped.

9119-LB5

Product Details

DSLD Entry Date 2013-08-23
Product Type Other Combinations
Form Tablet or Pill
Brand Karuna
DSLD ID 23870
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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