---
product_id: 11979895
title: "Vitamin B-12 1000 mcg Prolonged Release Tablets, 110 Count"
brand: "21st century"
price: "AR$29570"
currency: ARS
in_stock: true
category: "21st Century"
url: https://www.desertcart.com.ar/products/11979895-vitamin-b-12-1000-mcg-prolonged-release-tablets-110-count
store_origin: AR
region: Argentina
---

# Prolonged release for sustained support 1000 mcg B12 for all-day energy Tiny, easy-to-swallow tablet Vitamin B-12 1000 mcg Prolonged Release Tablets, 110 Count

**Brand:** 21st century
**Price:** AR$29570
**Availability:** ✅ In Stock

## Summary

> ⚡ Unlock your brainpower and energy—one tiny tablet at a time!

## Quick Answers

- **What is this?** Vitamin B-12 1000 mcg Prolonged Release Tablets, 110 Count by 21st century
- **How much does it cost?** AR$29570 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/11979895-vitamin-b-12-1000-mcg-prolonged-release-tablets-110-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

- • **One Tablet, All Day:** Prolonged release formula delivers steady B12 absorption without multiple doses
- • **Pure & Clean Formula:** Gluten-free with zero artificial additives for trusted daily wellness
- • **Stay Sharp & Focused:** Supports neurological function and mental clarity for peak performance
- • **Power Through Your Day:** 1000 mcg B12 fuels natural energy production to crush afternoon slumps
- • **Effortless Daily Routine:** Compact, easy-to-swallow tablets make consistency a breeze

## Overview

21st Century Vitamin B-12 1000 mcg Prolonged Release Tablets provide a potent, sustained dose of essential B12 to support energy metabolism, neurological health, and red blood cell formation. With 110 easy-to-swallow tablets, this gluten-free formula ensures over three months of consistent, clean supplementation designed for busy professionals seeking mental clarity and all-day vitality.

## 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.

## Features

- [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 | #13,659 in Health & Household ( See Top 100 in Health & Household ) #76 in Vitamin B12 Supplements #1,236 in Sales & Deals |
| Brand | 21st Century |
| Brand Name | 21st Century |
| Color | No Color |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 996 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 Highlight | Vitamin B12 1000 mcg Prolonged-Release Tablets to Support Natural Energy, Gluten Free Daily Vitamin |
| Item Weight | 55 g |
| 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 B12

## Images

![Vitamin B-12 1000 mcg Prolonged Release Tablets, 110 Count - Image 1](https://m.media-amazon.com/images/I/61SOyYMP32L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## 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

---

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**Shop now:** [https://www.desertcart.com.ar/products/11979895-vitamin-b-12-1000-mcg-prolonged-release-tablets-110-count](https://www.desertcart.com.ar/products/11979895-vitamin-b-12-1000-mcg-prolonged-release-tablets-110-count)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-10-10*