--- product_id: 661177604 title: "500 mg 24 Hour Vitamin C Tablets for Immune Support, Vitamin-C Supplement, 90 Count (Pack of 4)" brand: "ester-c" price: "396 Lei" currency: RON in_stock: true reviews_count: 8 category: "Ester C" url: https://www.desertcart.ro/products/661177604-500-mg-24-hour-vitamin-c-tablets-for-immune-support store_origin: RO region: Romania --- # 24-hour sustained release Non-GMO & gluten-free 500 mg potent dose 500 mg 24 Hour Vitamin C Tablets for Immune Support, Vitamin-C Supplement, 90 Count (Pack of 4) **Brand:** ester-c **Price:** 396 Lei **Availability:** ✅ In Stock ## Summary > 🛡️ Stay unstoppable with 24/7 immune armor! ## Quick Answers - **What is this?** 500 mg 24 Hour Vitamin C Tablets for Immune Support, Vitamin-C Supplement, 90 Count (Pack of 4) by ester-c - **How much does it cost?** 396 Lei with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/661177604-500-mg-24-hour-vitamin-c-tablets-for-immune-support) ## Best For - ester-c enthusiasts ## Why This Product - Trusted ester-c brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Clean & Conscious:** Non-GMO, gluten-free, vegetarian tablets with zero artificial colors, flavors, or sweeteners—pure health you can trust. - • **Gentle on Your Stomach:** Non-acidic Ester-C formula ensures no stomach upset, perfect for daily wellness without compromise. - • **Bulk Supply, Big Savings:** With 4 bottles totaling 360 tablets, stay stocked and ready to power through every season with confidence. - • **Power-Packed 500 mg Dose:** Each tablet delivers a potent 500 mg of Vitamin C, optimized for upper respiratory and immune health support. - • **Around-the-Clock Immunity:** Clinically proven to stay active in your system for a full 24 hours, giving you nonstop immune defense. ## Overview Ester-C 500 mg Vitamin C Tablets provide a clinically studied, non-acidic formula that supports immune and respiratory health with a sustained 24-hour release. These non-GMO, gluten-free vegetarian tablets come in a convenient 4-pack of 90-count bottles, delivering potent antioxidant support that’s gentle on the stomach and perfect for daily adult use. ## Description Support your immune health all year long with Ester-C Vitamin C, a superior form of Vitamin C.(1) Ester-C 24 Hour Vitamin C Supplement Tablets for Immune Support offer a unique formula that stays in your system for up to 24 hours, so you have around-the-clock immune support.(1) The metabolites in Ester-C help enhance the retention of Vitamin C in your white blood cells, which are a vital component of your immune system.(1) These vitamin supplements are non-GMO, and Ester-C Vitamin C tablets are manufactured without chemicals to neutralize pH, which makes them non-acidic and gentle on your stomach. Incorporate this antioxidant vitamin supplement into your daily routine to give your immune system the support it needs.(1) Ester-C is the kind of support you can count on 24/7! (1)These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. (2)The Vitamin C in Ester-C has been clinically studied to stay in the white blood cells for up to 24 hours, which is longer than regular Vitamin C. White blood cells are an important component of the immune system. Review: Great for winter! - Perfect for winter months. Easy to swallow no stomach upset and good quality. Review: Great product! - Easy on stomach & great for respiratory/immunity issues. (Dr. advised not for everyday use if you have a history of kidney stones.) ## Features - The information below is per-pack only - One 90 count bottle of Ester-C 24 Hour 500 mg Vitamin C Tablets for Immune Support (1) - This Vitamin C Supplement is clinically studied to last up to two times longer than regular Vitamin C (1)(2) - These non-GMO, gluten free vegetarian vitamins are made with no artificial color, flavor, or sweetener - Vitamin C 500 mg tablets support upper respiratory health (1) - For adults, take two Ester-C 500 mg Vitamin C immune support supplements once daily, preferably with a meal (1) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D14WG9PK | | Age Range (Description) | Adult | | Age Range Description | Adult | | Allergen Information | Gluten Free | | Best Sellers Rank | #5,070 in Health & Household ( See Top 100 in Health & Household ) #37 in Vitamin C Supplements | | Brand | Ester-C | | Brand Name | Ester-C | | Customer Reviews | 4.7 out of 5 stars 1,705 Reviews | | Diet Type | Vegetarian | | Dosage Form | Tablet | | Flavor | Unflavored | | Item Form | Tablet | | Item Weight | 1.4 Pounds | | Manufacturer | Ester-C | | Manufacturer Part Number | B001G8Y97A | | Model Name | Ester C Vitamin Tablets | | Model Number | 56022 | | Number of Items | 4 | | Product Benefits | Immune_support | | Unit Count | 360 Count | ## Product Details - **Brand:** Ester-C - **Item Form:** Tablet - **Diet Type:** Vegetarian - **Flavor:** Unflavored - **Product Benefits:** Immune_support ## Images ![500 mg 24 Hour Vitamin C Tablets for Immune Support, Vitamin-C Supplement, 90 Count (Pack of 4) - Image 1](https://m.media-amazon.com/images/I/71Qhp52XX3L.jpg) ![500 mg 24 Hour Vitamin C Tablets for Immune Support, Vitamin-C Supplement, 90 Count (Pack of 4) - Image 2](https://m.media-amazon.com/images/I/71LNLcNAomL.jpg) ![500 mg 24 Hour Vitamin C Tablets for Immune Support, Vitamin-C Supplement, 90 Count (Pack of 4) - Image 3](https://m.media-amazon.com/images/I/61RykKkLoyL.jpg) ![500 mg 24 Hour Vitamin C Tablets for Immune Support, Vitamin-C Supplement, 90 Count (Pack of 4) - Image 4](https://m.media-amazon.com/images/I/61V0SwneAOL.jpg) ![500 mg 24 Hour Vitamin C Tablets for Immune Support, Vitamin-C Supplement, 90 Count (Pack of 4) - Image 5](https://m.media-amazon.com/images/I/51+inOHTkwL.jpg) ## Available Options This product comes in different **Size, Flavor** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great for winter! *by L***A on February 4, 2026* Perfect for winter months. Easy to swallow no stomach upset and good quality. ### ⭐⭐⭐⭐⭐ Great product! *by D***E on January 11, 2026* Easy on stomach & great for respiratory/immunity issues. (Dr. advised not for everyday use if you have a history of kidney stones.) ### ⭐⭐⭐⭐⭐ Quality product. Trusted brand! *by L***N on December 24, 2025* Well packaged. Just what I wanted. Easy to swallow. No stomach gripping as found with some vit C brands! --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ro/products/661177604-500-mg-24-hour-vitamin-c-tablets-for-immune-support](https://www.desertcart.ro/products/661177604-500-mg-24-hour-vitamin-c-tablets-for-immune-support) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-07-08*