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Ascorbic Acid (Vitamin C)

product on market Powder Hard Rhino Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Ascorbic acid is a well-studied antioxidant that supports immune function and collagen synthesis. There is strong evidence supporting its role in protecting cells from oxidative stress. This ingredient profile is generally considered safe for most individuals.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Ascorbic Acid (Vitamin C)
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Gram(s)
Serving Size
5000
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1 Gram(s)
Market median: 180.0mg (6557 products) 250 studies (A:6, B:97)

Other Ingredients

None
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement, take 1 leveled scoop (~1 gram) mixed with 8-12 ounces of water or suitable beverage. Taken 1-3 times daily or as needed, preferably between meals.

Warnings & Precautions

Warning: Keep out of the reach of children. Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).

Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).

Always consult with a qualified health physician before taking any new dietary supplement.

Do not use or consume if seal is broken.

Formulation Notes

Non GMO Gluten free Allergen free

Allergens: This product contains no soy, dairy, dairy byproducts, eggs, shellfish, wheat, gluten, tree nuts, or sesame seeds.

Additional Information

Bulk pail Best value Scoop inside 5000 servings

Storage: Store in a cool, dry place. Re-seal zipper immediately after use to preserve freshness.

Customer support: (866) 961-8378 Support@hardrhino.com

Metadata

Product Details

UPC / SKU8 18132 97382 2
DSLD Entry Date2023-06-22
Product TypeVitamin
FormPowder
DSLD ID286945
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.