Brand: 21st Century

Tablet or PillOff Market
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Net Contents

250 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

Not specified

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

7 40985 22338 3

Product Version

Not specified

Suggested Use

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.

Market Reference

$3.59 – $79.99· 40 listings
  • 21st Century C-500 Tablets

    21st-century-vitamins4.8(7900)
    $4.99
  • 21st Century Prolonged Release C Tablets

    21st-century-vitamins4.8(5400)
    $7.99
  • 21st Century Chewable Tablets

    21st-century-vitamins4.7(939)
    $7.99
  • 21st Century Natural C-1000 Rose Hips Caplets

    21st-century-vitamins4.9(948)
    $6.99
  • Pack of 12-21st Century C 500 mg Tablets 110 EA

    AmericanPharmaWholesale.com4.8(7900)
    $43.70
  • 21st Century C-500 - 250 Tablets

    GoSupps.com4.8(7900)
    $34.99
  • 21st Century Calcium 500 + D3 Tablets

    Target4.8(1100)
    $14.99
  • 21st Century - C 500mg Orange 30 Chewables | Buy at Best Price from Mumzworld

    Mumzworld.com
    $8.44

Where to Buy Locally

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Research & Studies

  • The Health Delusion: How to Achieve Exceptional Health in the 21st Century

    G Matten, A Goggins - 2012 - books.google.com

    … , giving 20mg of beta carotene as a supplement was found to increase lung cancer … C was found for cancer either19. In a study of US male physicians, 500mg per day of vitamin C …

    20126 citations
  • Plants and human health in the twenty-first century

    …, N Borisjuk, A Brinker, DA Moreno, C Ripoll… - TRENDS in …, 2002 - cell.com

    … between plants and health was felt not … health organization. Although plants are slowly making a comeback in several areas of human health (ie functional foods, dietary supplements …

    20021,444 citations
  • Pharmacognosy in the 21st century

    AD Kinghorn - Journal of pharmacy and pharmacology, 2001 - Wiley Online Library

    … Supplement Health and Education Act in 1994 led to the categorization of herbal medicines as ‘‘ dietary supplements’’ for ‘‘health … As we enter the 21st century and the new millennium, …

    2001333 citations
  • Nutritional supplements in pregnancy: commercial push or evidence based?

    M Glenville - Current Opinion in Obstetrics and Gynecology, 2006 - journals.lww.com

    … health of the pregnant mother and her baby. Emphasis must always be on eating a good diet, but given the limitations of the 21st century … A combination of vitamin C (500 mg/day) and …

    200671 citations
  • Cardiovascular disease resulting from a diet and lifestyle at odds with our Paleolithic genome: how to become a 21st-century hunter-gatherer

    JH O'Keefe Jr, L Cordain - Mayo Clinic Proceedings, 2004 - Elsevier

    … Historical and anthropological studies show hunter-gatherers generally to be healthy, fit, and … our modern milieu with our ancient genome in an effort to improve cardiovascular health. …

    2004507 citations
  • The evolution of science and regulation of dietary supplements: past, present, and future

    PM Coates, RL Bailey, JB Blumberg, A El-Sohemy… - The Journal of …, 2024 - Elsevier

    … supplement ingredients, but the evidence on their health effects is still building. As is true of much nutrition research, there are many studies that point to health … of dietary supplements, …

    202446 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-08-23. DSLD Label ID: 233368. 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.