C 500 mg®
Single Vitamin & MineralBrand: 21st Century
Net Contents
110 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
Not specified
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
7 40985 22316 1
Product Version
500018-0118N
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
2 ingredients report a %DV; 1 meet or exceed 100% DV.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin C(Ascorbic Acid) | 500 mg | 560% |
| Calcium(Calcium Carbonate) | 30 mg | 2% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: As a vitamin supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage.
Warnings & Precautions
Precautions re: All Other
Do not exceed recommended dosage.
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Consult healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.
Precautions re: All Other
Stop use and contact a physician if adverse reactions occur.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if product appears to be tampered with or seal is broken.
Storage
Storage
Store at room temperature.
Formulation
Formulation re: Does NOT Contain
No added Sugar, Yeast, Preservatives or Artificial Flavors.
Formulation re: Does NOT Contain
Gluten free
Formula re: Contains
Vitamin C is an important antioxidant nutrient that helps neutralize free radicals and supports the immune system.
FDA Statements
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
FDA Statement of Identity
Vitamin Supplement
Other Label Statements
General Statements: All Other Content
Individual results may vary.
General Statements: All Other Content
Unconditionally guaranteed for purity, freshness and label potency.
General Statements: All Other Content
Immune System Support
Seals/Symbols
Gluten free
Seals/Symbols
Guaranteed quality Laboratory tested
Manufacturer & Distributor
Manufacturer
21st Century HealthCare, Inc.
2119 S. Wilson St., Tempe, AZ, 85282, USA
Market Reference
21st Century Prolonged Release C Tablets
Walmart - Pharma Frills4.8(5400)$9.8021st Century C-500 Tablets
HealthWarehouse.com4.8(7900)$7.7621st Century Chewable Tablets
Target4.7(939)$10.3321st Century Natural C-1000 Rose Hips Caplets
Walmart - iHerb4.9(948)$8.0421st Century Vitamin C 500Mg 110 Ct (2 Pack)
GoSupps.com4.7(939)$29.99GNP 500 mg Tablets
Pasteur Pharmacy5.0(1)$9.95Pack of 12-21st Century C 500 mg Tablets 110 EA
AmericanPharmaWholesale.com4.8(7900)$43.7021st Century C 500 mg 110 Tablets
GoSupps.com4.8(7900)$29.99
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Vitamin Peddler Inc
5.0 (52)Vitamin & supplements store
142 W 83rd St, New York, NY 10024
The Vitamin Shoppe
4.3 (70)Vitamin & supplements store
2086-A Broadway, New York, NY 10023
GNC
4.7 (197)Vitamin & supplements store
2 Pennsylvania Plaza Ste 29B, New York, NY 10121
GNC
4.4 (88)Vitamin & supplements store
753 Broadway Spc 753, New York, NY 10003
The Vitamin Shoppe
4.4 (105)Vitamin & supplements store
157 East 86th St, New York, NY 10028
GNC
4.0 (145)Vitamin & supplements store
1755 Broadway, New York, NY 10019
The Vitamin Shoppe
4.5 (143)Vitamin & supplements store
NW corner of 55th & 8th, 931 8th Ave, New York, NY 10019
GNC
3.5 (61)Vitamin & supplements store
1645 2nd Ave #85th, New York, NY 10028
Research & Studies
Ascorbic acid in the 21st century–more than a simple antioxidant
HR Griffiths, J Lunec - Environmental toxicology and pharmacology, 2001 - Elsevier
… oxidised base lesion 8-oxoadenine (8-oxoA) during supplementation with 500 mg/day vitamin C in normal healthy subjects. Earlier this year, further infamy resulted from the preliminary …
2001182 citationsVitamin C in human health and disease is still a mystery? An overview
KA Naidu - Nutrition journal, 2003 - Springer
… in take is up to 100 mg/day, whereas at higher levels of intake (500 mg/day) the efficiency of … acid supplementation (500–100 mg/day) on in vivo and ex vivo lipid peroxidation in healthy …
20031,276 citationsResveratrol, in its natural combination in whole grape, for health promotion and disease management
CK Singh, X Liu, N Ahmad - Annals of the New York Academy …, 2015 - Wiley Online Library
2015173 citationsAre dietary supplements and nutraceuticals effective for musculoskeletal health and cognitive function? A scoping review
G Iolascon, R Gimigliano, M Bianco, A De Sire… - … of nutrition, health and …, 2017 - Elsevier
Objective The aim of our scoping review was to summarize the state of the art regarding micronutrients in order to identify which of them might effectively improve health status in the …
2017105 citationsInadequacy of immune health nutrients: intakes in US adults, the 2005–2016 NHANES
CA Reider, RY Chung, PP Devarshi, RW Grant… - Nutrients, 2020 - mdpi.com
… that have emerged in the 21st century, such as severe acute … shown vitamin C (500 mg–1 g) can improve vitamin C status … effects of dietary supplements on immune health have been …
2020141 citationsThe Health Delusion: How to Achieve Exceptional Health in the 21st Century
G Matten, A Goggins - 2012 - books.google.com
… magazines, wonder foods and supplements, surely we should be brimming with health? When it comes to conquering disease who needs more information than that to stay in tiptop …
20126 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-08-23. DSLD Label ID: 205874. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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