21st Century

21st Century Vitamin C 1000mg Prolonged Release Tablets 110 Count Ascorbic Acid Immune Support Vitamin C Supplement for

660+ bought in the past month

$7.99$8.99

About this item

  • RELIABLE IMMUNE SUPPORT*: The 21st Century Vitamin C tablets provide 1000 mg of vitamin C (as Ascorbic Acid) that helps support the immune system and your body’s natural defenses to promote overall wellness*
  • ANTIOXIDANT SUPPORT* IN A GLUTEN FREE FORMULA: Vitamin C acts as a powerful antioxidant, helping to support cells from oxidative and free radical damage
  • TIME RELEASE VITAMIN C 1000MG TABLETS: Prolonged release vitamins slowly release nutrients into the body over an extended period of time for sustained absorption. Take (1) tablet daily with any meal or as directed by a healthcare provider
  • CAUTION & CARE: Consult a healthcare provider before use if pregnant, nursing, on medications, have a medical condition, or are planning a medical procedure. Store safely, out of reach of children, and always check the seal for tampering
  • WELLNESS THAT WORKS FOR YOU: For over 30 years, the 21st Century has been proud to offer high-quality, innovative, and trusted vitamin and supplement products to improve the health and well-being of individuals, families, and communities worldwide
  • *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
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Product details

Brand21st Century Healthcare, Inc
Item FormTablet
Primary Supplement TypeVitamin C
Diet TypeGluten Free
FlavorUnflavored

Technical specifications

is_discontinued_by_manufacturerNo
product_dimensions2.38 x 1.75 x 6 inches; 6.9 ounces
item_model_number21225
date_first_availableOctober 2, 2002
manufacturer21st Century Healthcare
best_sellers_rank#43,120 in Health & Household ( See Top 100 in Health & Household ) #300 in Vitamin C Supplements #2,710 in Sales & Deals

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Customer reviews

4.8699 ratings

Customers say

Customers find these vitamin C tablets to be a great value, easy to swallow, and of high quality.

★★★★★

Great value for the price!

Maria Ines CariasDecember 18, 2023

This vitamin C supplement was sent to me on time and in perfect condition, complete and sealed tablets. I like that they are 1000 MG per unit, so it is easier for me to have my daily supply complete and its antioxidant properties, it also prevents forgetting when taking it, the commitments are compact, easy to swallow, without notable odor or taste, the price is very affordable . Read more

★★★★★

Great buy

CustomerOctober 7, 2025

Great price for the quantity, bottle is easy to use. Read more

★★★★★

High dose vitamin c

A. OwensAugust 2, 2025

Quality high dose vitamin c when not feeling well. No taste, pill is on the large side and seems effective. Only brand I buy now Read more

★★★★★

Siempre lo compro

mercedes corcino cuelloJanuary 1, 2026

Excelente calidad Read more

★★★★★

They do what I buy them for

Kevin BerryDecember 2, 2025

I usually will lost they're good Read more

★★★★☆

Four Stars

AHZAugust 20, 2015

Not too bad to swallow. But the noise it makes when you get them out! Didn't care for that! Read more

★★★★★

Great Vitamin

DennisAugust 6, 2025

21st century always provides quality products at a reasonable price. Read more

★★★★★

Great prolonged release vitamin C tablets

Mr.Mojo in CO.April 16, 2025

Really happy with this Vitamin C! The prolonged release feels like it keeps my immune system supported throughout the day. Great value for the money, and I definitely feel more energized and less run-down since I started taking it. Also great for skin and overall antioxidant support. Read more

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