🟢 90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Safety Alerts

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

1 Tablet(s) Serving Size
180 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Total Carbohydrates
1 Gram(s) (1% DV)
Vitamin C
500 mg (556% DV)
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 50mg

Other Ingredients

Dicalcium Phosphate Microcrystalline Cellulose Hydroxypropyl Methylcellulose Grapefruit Oil

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) Kosher Gluten Free

Product Information

📋 Directions for Use

Directions: Take 1 tablet daily.

⚠️ Warnings & Precautions

Seal under cap for your protection.

Manufactured in a facility that may also process tree nuts, peanuts, milk, soy, wheat, sesame, shellfish, and fish.

🧪 Formulation Notes

Cellular Antioxidant & Immune Protection A proprietary, plant-based, sustained-release delivery system helps protect cells & enhances immune function.

GF Gluten Free

Kosher

100% Carbon Neutral

No artificial flavors, sweeteners, colors, or preservatives

Clinically shown to raise blood levels of vitamin C for up to 12 hours

Star-K (Kosher)

Vitamin C isn't manufactured or stored in the body & must be continually replenished through diet.

Additional Information

Star-K (Kosher)

Dr Shaklee

Product Details

DSLD Entry Date 2023-12-14
Product Type Other Combinations
Form Tablet or Pill
Brand Shaklee
DSLD ID 301172
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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