- Home Page /
- Health & Household /
- Vitamins Minerals & Supplements /
- Vitamin Supplements /
- Vitamin C Supplements /
- 21st Century C 500 mg Prolonged Release Table...
0 ratings
Item #:
127730802
21st Century C 500 mg Prolonged Release Tablets, 110 Count (21190)
Item #:
127730802
LAK 321503
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Tuesday, August 04
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Prolonged Release
Designed for sustained delivery, ensuring optimal vitamin C levels throughout the day, which enhances absorption and effectiveness compared to standard tablets.
High Potency
Each tablet contains 500 mg of vitamin C, providing significant support for immune health and promoting overall well-being in a convenient, easy-to-swallow format.
Cost-effective Package
Includes four packs of 110 tablets, offering great value for frequent users who seek reliable vitamin C supplementation without compromising quality.
Product Details
- Prolonged release Vitamin C-500 provides long-term vitamin supplementation
- Helps neutralize free radicals and support a healthy immune system
- No added sugar, salt, yeast, preservatives, artificial flavors or colors
- Unconditionally guaranteed for purity, freshness and label potency
- Allergen information: banana_free
- Important antioxidant nutrient for overall health
| Is Discontinued By Manufacturer | No |
| Product Dimensions | 2.38 x 1.75 x 3.75 inches (6 x 4.4 x 9.5 cm); 4.15 ounces (117.65 grams) |
| Item model number | 21190 |
| Date First Available | May 7, 2005 |
| Manufacturer | 21st Century |
| Brand Name | 21st Century |
| Item Form | Tablet |
| Primary Supplement Type | Vitamin C |
| Diet Type | Gluten Free |
| Flavor | Unflavored |
| Product Benefits | Immune Support |
| Age Range Description | Adult |
| Specific Uses For Product | Antioxidant, Immunity |
| Number of Items | 1 |
| Model Name | ury C 500 mg Prolonged Release Tablets, 110 Count (21190) |
| Container Type | Bottle |
| Dosage Form | 500 |
| Global Trade Identification Number | 00740985211908 |
| UPC | 740985211908 |
| Model Number | 21190 |
| Manufacturer Part Number | 21190 |
| Unit Count | 110 Count |
| Item Weight | 4.15 ounces (117.65 grams) |
| Item Dimensions | 2.38 x 1.75 x 3.75 inches (6 x 4.4 x 9.5 cm) |
| Allergen Information | Gluten Free |
| Color | No Color |
| Material Type Free | Gluten Free |
Who Should Buy?
-
General Health Support
Ideal for individuals wanting to boost their immune system and overall health with vitamin C supplementation.
-
Antioxidant Needs
Beneficial for those seeking antioxidant support to combat oxidative stress and promote cellular health.
-
Prolonged Release Advantage
Suitable for individuals who prefer a slow release formula for sustained vitamin C levels throughout the day.
-
Pregnant Women
Not advisable for pregnant women without consulting healthcare professionals for appropriate vitamin intake.
Product Description
21st Century C 500 mg Prolonged Release Tablets, 110 Count (21190)
About This Item
Introducing 21st Century C 500 mg Prolonged Release Tablets! Are you looking for a long-term vitamin supplementation that supports a healthy immune system? Look no further! 21st Century's C 500 mg Prolonged Release Tablets offer the perfect solution for maintaining your well-being. These tablets are designed to slowly release vitamin C into your body over an extended period of time. Vitamin C is a powerful antioxidant that helps neutralize free radicals, protecting your cells from damage.
By including this supplement in your daily routine, you can strengthen your immune system, making it easier for your body to fight off infections and illnesses. What sets our C 500 mg Prolonged Release Tablets apart from the rest is their commitment to quality. We ensure that our tablets are free from added sugar, salt, yeast, preservatives, artificial flavors, and colors. Your health is our top priority! With 110 tablets in each bottle, you can enjoy the benefits of this essential nutrient for an extended period of time.
Whether you're a busy professional, a student, or a health-conscious individual, our product is catered to your lifestyle. When you choose 21st Century, you can trust that our products are unconditionally guaranteed for purity, freshness, and label potency. We take pride in delivering only the highest quality supplements to our customers. Make a smart investment in your health today with 21st Century C 500 mg Prolonged Release Tablets. Order now and experience the difference of a well-supported immune system.
Dietary Supplement Disclaimer
Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the main benefits of taking 21st Century C 500 mg Prolonged Release Tablets?
Answer: 21st Century C 500 mg Prolonged Release Tablets are designed to provide sustained release of Vitamin C, which can support immune system health, promote collagen production, and enhance skin health. The prolonged release formula ensures a steady supply of vitamin C throughout the day, maximizing absorption and effectiveness. This is particularly beneficial for individuals looking to boost their antioxidant protection and overall wellness. -
Question:
How often should I take 21st Century C 500 mg Prolonged Release Tablets?
Answer: For optimal results, it's generally recommended to take one tablet daily, preferably with a meal to enhance absorption. This regimen ensures that your body receives a consistent level of Vitamin C throughout the day, allowing for better utilization. Consistency is key when taking vitamin supplements, so incorporating them into your daily routine can help maintain energy levels and support your immune health effectively. -
Question:
Are there any side effects associated with 21st Century C 500 mg Prolonged Release Tablets?
Answer: When taken as directed, 21st Century C 500 mg Prolonged Release Tablets are generally well-tolerated. However, some users may experience mild gastrointestinal discomfort, such as upset stomach or diarrhea, particularly if taken in excess. If you have specific health conditions or are taking other medications, it's always advisable to consult with a healthcare provider before starting any new supplement to ensure safety and avoid interactions. -
Question:
Can children take 21st Century C 500 mg Prolonged Release Tablets?
Answer: While 21st Century C 500 mg Prolonged Release Tablets are intended for adults, it's important to consult a pediatrician before giving any supplements to children. Depending on the child's age and nutritional needs, the doctor may recommend a different dosage or specific children’s vitamins. Ensuring that children receive adequate vitamins is vital, especially during growth phases when their immune systems are developing. -
Question:
Is it necessary to take Vitamin C supplements like 21st Century C 500 mg?
Answer: Vitamin C is an essential nutrient that supports various bodily functions, including immune response and skin health. If your diet lacks sufficient fruits and vegetables, supplementing with products like 21st Century C 500 mg can be beneficial. However, most individuals can obtain adequate Vitamin C from a balanced diet. A healthcare professional can help assess your dietary needs and recommend supplementation if necessary. -
Question:
What makes the prolonged release formula of these tablets advantageous?
Answer: The prolonged release formula of 21st Century C 500 mg tablets provides gradual absorption of Vitamin C, which helps maintain stable blood levels throughout the day. This method can lead to more effective utilization of the vitamin compared to standard release tablets. It’s particularly useful for individuals who are active or have increased nutritional demands, ensuring that they receive continuous support for their immune system and overall health. -
Question:
Are there any dietary restrictions to consider while taking these tablets?
Answer: 21st Century C 500 mg Prolonged Release Tablets are generally suitable for most diets. They are often free from common allergens like gluten, dairy, and artificial preservatives. However, if you have specific dietary restrictions or health conditions, it's best to review the ingredient label and consult with a healthcare provider. This ensures that the supplement aligns with your dietary needs and health objectives. -
Question:
Can I combine 21st Century C 500 mg with other vitamins?
Answer: Yes, you can combine 21st Century C 500 mg Prolonged Release Tablets with other vitamins, such as Vitamin D or a B-complex vitamin, to support overall health. When taking multiple supplements, it's beneficial to adhere to recommended dosages and perhaps stagger their intake to enhance absorption. Consulting a healthcare provider can also help tailor a regimen that meets your specific health goals and nutritional requirements. -
Question:
What should I do if I miss a dose of 21st Century C 500 mg?
Answer: If you miss a dose of 21st Century C 500 mg Prolonged Release Tablets, take it as soon as you remember. If it's almost time for your next dose, skip the missed one, and resume your regular schedule. Avoid doubling up on doses to make up for a missed one. Building a habit, such as taking your vitamin at the same time daily, can help minimize missed doses and ensure a consistent intake of Vitamin C. -
Question:
Where can I buy 21st Century C 500 mg Prolonged Release Tablets, 110 Count?
Answer: You can purchase 21st Century C 500 mg Prolonged Release Tablets, 110 Count from Ubuy, an online shopping platform that offers a wide range of health and wellness products. Their user-friendly website makes it easy to browse through the available options and find what you need conveniently.
21st Century Vitamin C 21190 Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
LAK 321503
Order now and get it around Tuesday, August 04
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.