---
product_id: 3961514
title: "Vitamin B12 1,000 mcg, Active Methylcobalamin, 60 Capsules | Supports Methylation, Heart & Nerve Health, Cognitive Function & Healthy Homocysteine Levels*, NSF Contents Certified"
brand: "thorne"
price: "R929"
currency: ZAR
in_stock: true
category: "Thorne"
url: https://www.desertcart.co.za/products/3961514-vitamin-b12-1-000-mcg-active-methylcobalamin-60-capsules-supports
store_origin: ZA
region: South Africa
---

# 1000 mcg Active Methylcobalamin Boosts cognitive & methylation function Supports heart & nerve health Vitamin B12 1,000 mcg, Active Methylcobalamin, 60 Capsules | Supports Methylation, Heart & Nerve Health, Cognitive Function & Healthy Homocysteine Levels*, NSF Contents Certified

**Brand:** thorne
**Price:** R929
**Availability:** ✅ In Stock

## Summary

> 💥 Elevate your vitality with THORNE B12 — the smart boost your heart, brain, and sleep crave!

## Quick Answers

- **What is this?** Vitamin B12 1,000 mcg, Active Methylcobalamin, 60 Capsules | Supports Methylation, Heart & Nerve Health, Cognitive Function & Healthy Homocysteine Levels*, NSF Contents Certified by thorne
- **How much does it cost?** R929 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/3961514-vitamin-b12-1-000-mcg-active-methylcobalamin-60-capsules-supports)

## Best For

- thorne enthusiasts

## Why This Product

- Trusted thorne brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision-Powered B12:** 1 mg methylcobalamin for superior absorption and bioavailability
- • **Heart & Nerve Guardian:** Clinically supports healthy homocysteine levels for optimal cardiovascular and nerve function
- • **Restful Rhythm Support:** Promotes balanced circadian cycles for better sleep and recovery
- • **Cognitive Clarity Boost:** Enhances brain health and methylation pathways to keep you sharp and focused
- • **Certified Trust & Purity:** NSF Contents Certified and third-party tested—trusted by 100+ pro sports teams and top clinicians

## Overview

THORNE Vitamin B12 delivers 1,000 mcg of active methylcobalamin per capsule, ensuring superior absorption to support healthy methylation, cardiovascular function, nerve health, and cognitive performance. NSF Contents Certified and third-party tested, this trusted formula promotes balanced homocysteine levels and restful sleep, making it the go-to choice for professionals seeking peak wellness and mental clarity.

## Description

Buy THORNE Vitamin B12 1,000 mcg, Active Methylcobalamin, 60 Capsules | Supports Methylation, Heart & Nerve Health, Cognitive Function & Healthy Homocysteine Levels*, NSF Contents Certified on desertcart.com ✓ FREE SHIPPING on qualified orders

## Features

- Active B12: Each capsule provides 1 mg vitamin B12 as methylcobalamin, which is more efficiently used by the body compared to other forms of vitamin B12, like cyanocobalamin
- Heart & Brain Health: Supports a normal level of homocysteine in the body to benefit healthy cardiac function, blood cell formation, and optimal nerve function*
- Sleep Support: Helps maintain normal circadian rhythms to support restful sleep and supports healthy methylation processes in the body*
- Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
- Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002BKW1YA |
| ASIN  | B002BKW1YA |
| Age Range Description | Adult |
| Allergen Information | Dairy Free, Fish Free, Shellfish Free, Soy Free |
| Best Sellers Rank | #917 in Health & Household ( See Top 100 in Health & Household ) #4 in Vitamin B12 Supplements |
| Brand Name | THORNE |
| Customer Reviews | 4.8 4.8 out of 5 stars (3,841) |
| Date First Available  | January 11, 2004 |
| Diet Type | Gluten Free |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Global Trade Identification Number | 00693749125020 |
| Item Dimensions | 1.83 x 1.83 x 3.22 inches |
| Item Form | Capsule |
| Item Weight | 1.12 ounces |
| Item model number  | B125 |
| Manufacturer | Thorne Research |
| Manufacturer  | Thorne Research |
| Manufacturer Part Number | B125 |
| Model Number | B125 |
| Number of Items | 1 |
| Primary Supplement Type | Vitamin-b |
| Product Benefits | Methylation |
| Product Dimensions  | 1.83 x 1.83 x 3.22 inches; 1.12 ounces |
| Specific Uses For Product | Heart |
| UPC | 693749125020 |
| Unit Count | 60 Count |

## Product Details

- **Brand:** THORNE
- **Diet Type:** Gluten Free
- **Flavor:** Unflavored
- **Item Form:** Capsule
- **Primary Supplement Type:** Vitamin-b

## Images

![Vitamin B12 1,000 mcg, Active Methylcobalamin, 60 Capsules | Supports Methylation, Heart & Nerve Health, Cognitive Function & Healthy Homocysteine Levels*, NSF Contents Certified - Image 1](https://m.media-amazon.com/images/I/7139QLadyhL.jpg)

## Available Options

This product comes in different **Customer Package Type** options.

## Questions & Answers

**Q: What makes Thorne supplements high quality?**
A: Thorne produces high-quality supplements through rigorous testing, well-researched ingredient sourcing, and strict manufacturing standards. We avoid unnecessary additives, binders, and fillers that may interfere with nutrient absorption.

**Q: How does Thorne test its supplements for quality?**
A: To confirm the purity of our ingredients, the potency of our formulas, and the absence of all contaminants, we carry out a minimum of four rounds of testing on every product we manufacture. 100+ Thorne employees are dedicated to ensuring quality.

**Q: Are Thorne supplements clinically tested and safe?**
A: Thorne partners with researchers and conducts clinical trials to support the efficacy of our products. Our team of doctors and medical experts substantiate each ingredient in every formula based on extensive clinical research and medical literature.

**Q: Why are Thorne products more expensive than other supplements?**
A: When it comes to the health of our customers, we never settle. Thorne products may be priced higher than some others because of our commitment to quality at every step. We don’t simply meet the standard in dietary supplements — we set the standard.

**Q: Where are Thorne supplements made and where are the ingredients sourced from?**
A: Located in South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. When it comes to ingredient sourcing, we seek out only the highest-quality ingredients, selecting each one for its purity and effectiveness.

## Frequently Bought Together

- THORNE Vitamin B12 - as Methylcobalamin - Supports Heart & Nerve Health, Blood Cell Function, Healthy Sleep & Methylation* - Gluten, Dairy & Soy-Free - 60 Capsules
- THORNE Vitamin D-5000 - Vitamin D3 Supplement - Support Healthy Bones, Teeth, Muscles, Cardiovascular, and Immune Function* - NSF Certified for Sport - Dairy-Free, Soy-Free - 60 Capsules
- THORNE 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation, and Homocysteine Levels* - 60 Capsules - 5-MTHF 1mg

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-08-01*