Home/ Supplements/ Vitamin C/ Vitamin C Crystals 5,000 mg

Vitamin C Crystals 5,000 mg

product on market Powder Wonder Laboratories Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade
Label

Product Label

Label for Vitamin C Crystals 5,000 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

0.25 tsp
Serving Size
181
Servings
Vitamin
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
1250 mg (2083% DV)

Other Ingredients

None
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

Product Information

Directions for Use

Directions: As a dietary supplement 1/4 teaspoonful or more daily, preferably at mealtime. May be added to juice or sprinkled on food.

Warnings & Precautions

Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Keep out of reach of children.

Caution: If you are pregnant or nursing, consult your physician before taking this product.

Formulation Notes

Manufactured in an FDA Registered Facility using Good Manufacturing Practices (GMPs)

Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability.

Ko Kosher Service

Vitamin C Crystals 5,000 mg per teaspoon

100% Pure Vitamin C

Gluten free

Each teaspoon provides: %DV Vitamin C (as L-ascorbic acid) 5000 mg 8.333%

Vitamin C Crystals may also be used in home canning to prevent discoloration. Consult your recipe for proper amount.

Additional Information

Keep tightly closed. Store at room temperature: 59 degrees – 86 degrees F (15 degrees – 30 degrees C).

Notice: This product is sold by weight and not by volume. You can be assured of proper weight even though some settling of contents may occur during shipping and handling.

Ko Kosher Service

Formula 550

Made in USA

Metadata

Product Details

UPC / SKU0 99528 55008 1
DSLD Entry Date2020-03-24
Product TypeVitamin
FormPowder
DSLD ID215722
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
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 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
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 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.