--- product_id: 11979895 title: "21st Century B12 1000 mcg Prolonged Release Tablets, Cyanocobalamin for Energy and Nerve Support, Gluten Free, 110 Count for Adults" brand: "21st century" price: "10855CFA" currency: XOF in_stock: true reviews_count: 13 category: "21st Century" url: https://www.desertcart.sn/products/11979895-21st-century-b12-1000-mcg-prolonged-release-tablets-cyanocobalamin-energy store_origin: SN region: Senegal --- # Prolonged release for sustained effect 1000 mcg B12 for all-day energy Supports brain & nerve health 21st Century B12 1000 mcg Prolonged Release Tablets, Cyanocobalamin for Energy and Nerve Support, Gluten Free, 110 Count for Adults **Brand:** 21st century **Price:** 10855CFA **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your energy and focus—because your day deserves more than a slump! ## Quick Answers - **What is this?** 21st Century B12 1000 mcg Prolonged Release Tablets, Cyanocobalamin for Energy and Nerve Support, Gluten Free, 110 Count for Adults by 21st century - **How much does it cost?** 10855CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/11979895-21st-century-b12-1000-mcg-prolonged-release-tablets-cyanocobalamin-energy) ## Best For - 21st century enthusiasts ## Why This Product - Trusted 21st century brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pure & Clean:** Gluten-free, no artificial additives—just trusted B12 support for your busy lifestyle. - • **Effortless Routine:** Compact, easy-to-swallow tablets make daily supplementation seamless. - • **One Tablet, All Day:** Prolonged release formula delivers steady B12 absorption without multiple doses. - • **Stay Sharp & Focused:** Essential cyanocobalamin supports neurological function and mental clarity. - • **Power Through Your Day:** 1000 mcg B12 fuels natural energy production to crush afternoon slumps. ## Overview 21st Century B12 1000 mcg Prolonged Release Tablets provide a potent, sustained dose of cyanocobalamin designed to support energy metabolism, nerve function, and mental clarity. With a clean, gluten-free formula and 110 easy-to-swallow tablets, this supplement offers over three months of reliable daily B12 support to keep professionals energized and sharp. ## Description Promote healthy tissues and blood cells with 21st Century Vitamin B-12. This member of the B complex, also known as cyanocobalamin, promotes the grown and maintenance of tissue and is essential for red blood cell formation. Review: Definitely work! - These B12 supplements have been great. About a year ago I found out I was quite low on B12. I actually had to get B12 shots for a while. After I was back to a more normal level I was told to use these. I was worried that supplements wouldn’t help, but these dissolve right under your tongue and so it goes right to your bloodstream. When I went back recently I was actually at the high end of normal!! These dissolve pretty quickly, taste alright, and are pretty small. Definitely would recommend. Review: Good b12 supplement - Good value and price . Works well . ## Features - [Feel the difference in your energy] 1000 mcg B12 supports your body's natural energy production so you can power through your day without the afternoon slump - [Your brain and nerves depend on B12] this essential vitamin supports neurological function, mental clarity, and mood so you stay sharp and focused daily - [No more remembering to take vitamins twice] the prolonged release design means one tablet works all day, slowly releasing B12 for hours of sustained support - [Tiny tablet, big results] the compact, easy-to-swallow size means no struggling with large capsules, making your daily health routine effortless and consistent - [Clean formula you can trust every day] gluten free with no artificial additives, so you get pure B12 support without unnecessary ingredients or fillers - [110 tablets means over 3 months of daily support in one purchase] stock up less often and stay consistent with your B12 routine without interruption ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0007PQARK | | Age Range Description | Adult | | Allergen Information | Gluten Free | | Best Sellers Rank | #16,556 in Health & Household ( See Top 100 in Health & Household ) #92 in Vitamin B12 Supplements #1,419 in Sales & Deals | | Brand | 21st Century | | Brand Name | 21st Century | | Color | No Color | | Container Type | Bottle | | Customer Reviews | 4.7 out of 5 stars 7,762 Reviews | | Diet Type | Gluten Free | | Dosage Form | Tablet | | Dose Release Method | Immediate Release | | Flavor | Unflavored | | Global Trade Identification Number | 00740985211045 | | Item Dimensions | 2.38 x 1.75 x 3.75 inches | | Item Form | Tablet | | Item Weight | 55 Grams | | Manufacturer | 21st Century | | Manufacturer Part Number | 21104 | | Model Name | 21104 | | Model Number | 21104 | | Number of Items | 1 | | Pill Coating | Uncoated | | Primary Supplement Type | Vitamin B12 | | Product Benefits | Metabolism Improvement | | Special Ingredients | Supports Nerve &Blood Cells. Suppor Energy & Metabloism. | | Specific Uses For Product | Nerve | | Supplement Formulation | Multi-Supplement | | UPC | 740985211045 | | Unit Count | 110 Count | ## Product Details - **Brand:** 21st Century - **Diet Type:** Gluten Free - **Flavor:** Unflavored - **Item Form:** Tablet - **Primary Supplement Type:** Vitamin B2 ## Images ![21st Century B12 1000 mcg Prolonged Release Tablets, Cyanocobalamin for Energy and Nerve Support, Gluten Free, 110 Count for Adults - Image 1](https://m.media-amazon.com/images/I/61SOyYMP32L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Definitely work! *by L***N on June 18, 2025* These B12 supplements have been great. About a year ago I found out I was quite low on B12. I actually had to get B12 shots for a while. After I was back to a more normal level I was told to use these. I was worried that supplements wouldn’t help, but these dissolve right under your tongue and so it goes right to your bloodstream. When I went back recently I was actually at the high end of normal!! These dissolve pretty quickly, taste alright, and are pretty small. Definitely would recommend. ### ⭐⭐⭐⭐⭐ Good b12 supplement *by K***O on May 8, 2026* Good value and price . Works well . ### ⭐⭐⭐⭐⭐ B12 *by T***A on November 5, 2025* Great flavor. Great price ## Frequently Bought Together - 21st Century B 12 1000 mcg Prolonged Release Tablets, 110 Count - 21st Century Slow Release Iron Tablets, 60 Count - 21st Century D 5000 IU Tablets, 110 Count --- ## 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.sn/products/11979895-21st-century-b12-1000-mcg-prolonged-release-tablets-cyanocobalamin-energy](https://www.desertcart.sn/products/11979895-21st-century-b12-1000-mcg-prolonged-release-tablets-cyanocobalamin-energy) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-07-11*