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🛡️ Stay unstoppable with steady immune power all day long!
21st Century Vitamin C 1000mg Prolonged Release Tablets deliver a potent, steady dose of vitamin C throughout the day to support immune and antioxidant health. This vegan, non-GMO, and gluten-free formula maximizes absorption with a timed-release mechanism, ensuring efficient use of each tablet. Trusted for over 34 years and made in an FDA-registered US facility, these 110 tablets provide reliable, clean immune support for men and women during cold seasons, travel, or daily wellness routines.













| ASIN | B0007PQAX4 |
| ASIN | B0007PQAX4 |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #48,152 in Health & Household ( See Top 100 in Health & Household ) #273 in Vitamin C Supplements #2,668 in Sales & Deals |
| Brand Name | 21st Century |
| Color | No Color |
| Container Type | Bottle |
| Customer Reviews | 4.8 4.8 out of 5 stars (775) |
| Date First Available | October 2, 2002 |
| Diet Type | Gluten Free |
| Dosage Form | Tablet |
| Dose Release Method | Extended Release |
| Flavor | Unflavored |
| Global Trade Identification Number | 00740985212257 |
| Item Dimensions | 2.38 x 1.75 x 6 inches |
| Item Form | Tablet |
| Item Weight | 6.56 ounces |
| Item model number | 21225 |
| Manufacturer | 21st Century |
| Manufacturer | 21st Century |
| Manufacturer Part Number | 21225 |
| Model Name | 21st Century Vitamin C 1000mg Prolonged Release Tablets (110 Count), Immune Support Vitamin C Supplement, Antioxidant Support, Non-GMO & Gluten Free |
| Model Number | 21225 |
| Number of Items | 1 |
| Pill Coating | Gelatin |
| Primary Supplement Type | Vitamin C |
| Product Benefits | Immune Support |
| Product Dimensions | 2.38 x 1.75 x 6 inches; 6.5 ounces |
| Specific Uses For Product | Immunity |
| Supplement Formulation | Individual Supplement |
| UPC | 784922867087 740985212257 |
| Unit Count | 110 Count |
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