🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Tablet(s) Serving Size
60 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1111% DV)
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 250mg

Other Ingredients

Cellulose Croscarmellose Sodium Magnesium Stearate Silica Stearic Acid

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) Gluten Free

Product Information

📋 Directions for Use

1 Daily

Directions: Take 1 tablet daily with a meal or glass of water. Use only as directed.

⚠️ Warnings & Precautions

Warning: Do not use if safety seal is broken or missing. Keep your licensed health care practitioner informed when using this product.

Keep out of reach of children.

🧪 Formulation Notes

Immune system support Patented 24 hr support

Gluten free

Discussion: Reacta-C is a clinically researched & patented 24-hour support formula that delivers vitamin C to the body all day & night for greater immune support! This reacted complex of Strontium Calcium Ascorbate with L-Threonate is a non-acidic formula designed to be fast-acting, long-lasting and gentle on the stomach and digestive system. Bioflavonoids are included for maximum bioavailability and effectiveness.

ActivTab technology guarantees tablet disintegration within 30 minutes according to USP standards.

Additional Information

PCR Bottle

Store in a cool, dry place.

Product Details

UPC / SKU 0 21245 74880 9
DSLD Entry Date 2024-11-22
Product Type Other Combinations
Form Tablet or Pill
Brand KAL
DSLD ID 322940
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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