--- product_id: 6167602 title: "21st Century B-100 Complex Prolonged Release Tablets, 60 Count (Pack of 1), High Potency Vitamin B Complex for Nervous System, Energy Support, Includes Vitamin B1, B2, B6, Biotin & Calcium" brand: "21st century" price: "$U985" currency: UYU in_stock: true reviews_count: 11 category: "21st Century" url: https://www.desertcart.uy/products/6167602-21st-century-b-100-complex-prolonged-release-tablets-60-count store_origin: UY region: Uruguay --- # Prolonged release for steady nutrient delivery 100mg B-Vitamins per tablet Gluten-free & non-GMO premium formula 21st Century B-100 Complex Prolonged Release Tablets, 60 Count (Pack of 1), High Potency Vitamin B Complex for Nervous System, Energy Support, Includes Vitamin B1, B2, B6, Biotin & Calcium **Brand:** 21st century **Price:** $U985 **Availability:** ✅ In Stock ## Summary > ⚡ Unlock your day with steady energy and sharp focus — the B-100 advantage! ## Quick Answers - **What is this?** 21st Century B-100 Complex Prolonged Release Tablets, 60 Count (Pack of 1), High Potency Vitamin B Complex for Nervous System, Energy Support, Includes Vitamin B1, B2, B6, Biotin & Calcium by 21st century - **How much does it cost?** $U985 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/6167602-21st-century-b-100-complex-prolonged-release-tablets-60-count) ## 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 - • **Easy Daily Routine:** One tablet a day with meals keeps your energy and focus on point, no hassle ⏰ - • **Trusted for Decades:** 30+ years of quality assurance from 21st Century, a brand professionals rely on 🏆 - • **Nervous System Support:** Powerful B1, B6 & B12 blend to keep your nerves sharp and resilient 🧠 - • **Sustained Energy Boost:** Prolonged release tablets deliver B vitamins steadily for all-day vitality ⚡ - • **Clean & Conscious Formula:** Gluten-free, non-GMO, no artificial additives—pure wellness you can trust 🌿 ## Overview 21st Century B-100 Complex Prolonged Release Tablets provide a potent blend of essential B vitamins including B1, B2, B6, biotin, and calcium in a gluten-free, non-GMO formula. Designed for adults seeking sustained energy and nervous system support, these tablets release nutrients gradually for all-day effectiveness. Trusted for over 30 years, this high-potency vitamin complex is an easy, reliable addition to your daily wellness routine. ## Description 21st Century B-100 Complex for Energy, Nervous System, and Tissue Support*The 21st Century B-100 Complex provides a blend of key B vitamins, including thiamin, riboflavin, niacin, vitamin B-6, folate, vitamin B-12, and biotin. B vitamins are essential nutrients, interdependent upon each other and interrelated in function, that play an important role in converting the food you eat into energy and maintaining your nervous system and body tissues.*Our prolonged-release formula slowly releases nutrients into the body to support you over an extended period of time. These non-GMO and gluten-free tablets contain no added sugar, yeast, preservatives, artificial flavors, or colors.With over 30 years of expertise, 21st Century Vitamins maintains high standards to ensure each product supports your wellness needs. From sourcing premium ingredients to rigorous testing and production, every product meets purity benchmarks.*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. Review: You will pee yellow but so worth it.!!!! - They will make your urine look yellow but they will give you a boost when you take them. I had a blood workup and was low in vitamin B my doctor suggested a vitamin B complex so I tried this brand and feel like I'm in my 30s again and I'm 67 for 21 more days. Sometimes I cut them in half after I'm feeling good again. (GIVE THEM A TRY I'M A NO BULLCRAP MAN A BABY BOOMER. THANKS FOR READING AND HOPEFULLY TRYING THEM. Review: century great supplement I recommend it 100% - A very good B complex, it keeps me energized and helps with my joints and nerves. I love this brand. I buy it often. ## Features - SUPPORTS ENERGY CONVERSION & NERVOUS SYSTEM*: Packed with essential B Vitamins, 21st Century B-100 Complex prolonged release tablets helps convert the food you eat into energy, supporting your nervous system and body tissues* - POTENT VITAMIN-B BLEND: The 21st Century B-100 Complex delivers essential B vitamins like thiamin, riboflavin, niacin, B6, folate, B12, and biotin, which can be naturally found in foods like whole grains, leafy greens, eggs, seeds, and meat - PREMIUM FORMULA: Made with carefully selected ingredients, this energy complex for adults, women, and men is gluten-free, non-GMO, and free from added yeast, sugar, artificial flavors, or colors, offering support to health-conscious adults - EASY DAILY NUTRITION: Take one vitamin B-100 daily with any meal or as directed by a healthcare provider. Do not exceed the recommended dosage. Individual results may vary. - 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0007PQAPM | | ASIN | B0007PQAPM | | Age Range Description | Adult | | Allergen Information | Gluten Free | | Best Sellers Rank | #47,442 in Health & Household ( See Top 100 in Health & Household ) #128 in Vitamin B-Complex Supplements #2,727 in Sales & Deals | | Brand Name | 21st Century | | Color | No Color | | Customer Reviews | 4.7 4.7 out of 5 stars (807) | | Date First Available | October 2, 2002 | | Diet Type | Gluten Free | | Dosage Form | Tablet | | Flavor | Unflavored | | Global Trade Identification Number | 00740985222829 | | Is Discontinued By Manufacturer | No | | Item Dimensions | 2.38 x 1.75 x 3.75 inches | | Item Form | Tablet | | Item Weight | 3.65 ounces | | Item model number | 22282 | | Manufacturer | 21st Century | | Manufacturer | 21st Century | | Manufacturer Part Number | 22282 | | Material Type Free | en_AE | | Model Name | 21st Century B 100 Complex Prolonged Release Caplets, 60 Count (Pack of 1) | | Model Number | 22282 | | Number of Items | 1 | | Primary Supplement Type | B-Complex | | Product Benefits | Energy Management | | Product Dimensions | 2.38 x 1.75 x 3.75 inches; 3.65 ounces | | Specific Uses For Product | Nerve | | UPC | 740985222829 | | Unit Count | 60 Count | ## Product Details - **Brand:** 21st Century - **Diet Type:** Gluten Free - **Flavor:** Unflavored - **Item Form:** Tablet - **Primary Supplement Type:** B-Complex ## Images ![21st Century B-100 Complex Prolonged Release Tablets, 60 Count (Pack of 1), High Potency Vitamin B Complex for Nervous System, Energy Support, Includes Vitamin B1, B2, B6, Biotin & Calcium - Image 1](https://m.media-amazon.com/images/I/71EcDGqO8NL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Are they easy to swallow? Are the capsules?** A: I do use these. They are not capsules, but I don't have any problems swallowing them. My multivitamin is twice as big :) **Q: Keep in refrigerator? i live in a very humid house, no a/c. different brand deteriorated before expiration date.** A: It won't hurt it to be refrigerated ## Customer Reviews ### ⭐⭐⭐⭐⭐ You will pee yellow but so worth it.!!!! *by A***Y on March 31, 2026* They will make your urine look yellow but they will give you a boost when you take them. I had a blood workup and was low in vitamin B my doctor suggested a vitamin B complex so I tried this brand and feel like I'm in my 30s again and I'm 67 for 21 more days. Sometimes I cut them in half after I'm feeling good again. (GIVE THEM A TRY I'M A NO BULLCRAP MAN A BABY BOOMER. THANKS FOR READING AND HOPEFULLY TRYING THEM. ### ⭐⭐⭐⭐⭐ century great supplement I recommend it 100% *by L***S on August 27, 2025* A very good B complex, it keeps me energized and helps with my joints and nerves. I love this brand. I buy it often. ### ⭐⭐⭐⭐⭐ B-100 seems to help offset my B-12 deficency and provide a boost in my energy level! *by E***D on April 12, 2026* I've been taking B-100 vitamin supplements for years and they seem to give me energy to carry me through my day! Easy to digest, little or no odor, easy to swallow size! ## Frequently Bought Together - 21st Century B 100 Complex Prolonged Release Caplets, 60 Count (Pack of 1) - 21st Century Slow Release Iron Tablets, 60 Count - 21st Century Zinc 50 Mg (Chelated) Tablets, 110 Count (Pack of 1) --- ## 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.uy/products/6167602-21st-century-b-100-complex-prolonged-release-tablets-60-count](https://www.desertcart.uy/products/6167602-21st-century-b-100-complex-prolonged-release-tablets-60-count) --- *Product available on Desertcart Uruguay* *Store origin: UY* *Last updated: 2026-05-06*