⭐⭐⭐⭐⭐ 20,000+ Reviews | Free Returns | Expert Service & Support

Thorne - B-Complex #12

Thorne - B-Complex #12

Sale price
$26.00 Regular price
Regular price
$26.00
Sale Sold out
Unit price
/per 
$26.00
Earn rewards — 5% back, 1040 points on this order. How rewards work
Shipping calculated at checkout.
NOTIFY ME WHEN IN STOCK
Stock Up & Save + Free Shipping
Buy 2 5% off $24.70 / ea
Best value Buy 3+ 10% off $23.40 / ea
*Applies to One Time Purchaes. Discount applied automatically at checkout.
Free
Returns
Fast
Shipping
Secure
Checkout
Returns & Exchange Policy
This is a pre order item. We will ship it when it comes in stock.
  • B Complex + Choline with Extra B12: Balanced B vitamins in active, tissue-ready forms with methylcobalamin B12 and 5-MTHF folate for individuals with MTHFR gene variants.*
  • Nerve & Cellular Repair: Supports healthy nerve cells, an optimally functioning nervous system, and tissue and cellular repair.*
  • Red Blood Cells: Promotes normal red blood cell formation.*
  • Methylation & Homocysteine: Methylated B12 and folate support normal methylation and homocysteine metabolism.*
  • DNA & Cellular Energy: Promotes DNA synthesis and supports cellular energy production.*
  • Third-Party Tested: Verified against label claims, confirmed free of unsafe levels of contaminants.

Thorne B-Complex #12 delivers a balance of essential B vitamins plus choline with extra vitamin B12 in the active, tissue-ready methylcobalamin form. Alongside 5-MTHF folate for individuals with MTHFR gene variants, this formula supports nerve cells, red blood cell formation, methylation, and homocysteine metabolism for foundational daily B-vitamin coverage.

Key features of Thorne - B-Complex #12 include:

• Active tissue-ready B vitamins with extra B12
• Methylcobalamin B12 + 5-MTHF folate
• Supports nerves, red blood cells, DNA synthesis, and methylation*
• Take 1 capsule one to three times daily
• Third-party tested against label claims and contaminants

*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.

Q: Why extra B12?
A: Extra methylcobalamin B12 (active form). For MTHFR variants nervous system DNA synthesis tissue repair and B-vitamin-depleting medications.

Q: Is this the right B-Complex for MTHFR?
A: Yes. Contains methylated B12 (methylcobalamin) and 5-MTHF folate — the forms for MTHFR variants. Key for methylation and homocysteine.

Q: Who else benefits?
A: Nervous system support seekers; medication-related B-depletion; aging adults with conversion issues; low B12/folate diets.

Q: Are there interactions to know about?
A: 5-MTHF not with methotrexate cancer therapy. Safe with methotrexate for psoriasis/rheumatoid arthritis.

Q: How should I take B-Complex #12?
A: Take 1 capsule one to three times daily or as recommended by your health-care practitioner.

All purchases accumulate points which be can used to redeem for discounts on all items in our rewards collection. Enroll or view your current rewards balance here.

  • Earn 40 points for every $1 spent equaling 5% cash back
DESCRIPTION

Thorne B-Complex #12 delivers a balance of essential B vitamins plus choline with extra vitamin B12 in the active, tissue-ready methylcobalamin form. Alongside 5-MTHF folate for individuals with MTHFR gene variants, this formula supports nerve cells, red blood cell formation, methylation, and homocysteine metabolism for foundational daily B-vitamin coverage.

Key features of Thorne - B-Complex #12 include:

• Active tissue-ready B vitamins with extra B12
• Methylcobalamin B12 + 5-MTHF folate
• Supports nerves, red blood cells, DNA synthesis, and methylation*
• Take 1 capsule one to three times daily
• Third-party tested against label claims and contaminants

*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.

FAQ

Q: Why extra B12?
A: Extra methylcobalamin B12 (active form). For MTHFR variants nervous system DNA synthesis tissue repair and B-vitamin-depleting medications.

Q: Is this the right B-Complex for MTHFR?
A: Yes. Contains methylated B12 (methylcobalamin) and 5-MTHF folate — the forms for MTHFR variants. Key for methylation and homocysteine.

Q: Who else benefits?
A: Nervous system support seekers; medication-related B-depletion; aging adults with conversion issues; low B12/folate diets.

Q: Are there interactions to know about?
A: 5-MTHF not with methotrexate cancer therapy. Safe with methotrexate for psoriasis/rheumatoid arthritis.

Q: How should I take B-Complex #12?
A: Take 1 capsule one to three times daily or as recommended by your health-care practitioner.

EARN REWARDS

All purchases accumulate points which be can used to redeem for discounts on all items in our rewards collection. Enroll or view your current rewards balance here.

  • Earn 40 points for every $1 spent equaling 5% cash back
Living.Fit Rewards

Living.Fit Rewards

Learn More
Reviews by Living.Fit Customers

Testimonials

great to work with!

its so easy to work with Living.Fit, easy site navigation and prompt service

Kevin

Excellent customer service. ...

Excellent customer service. Ordered 2 sets of resistance bands, they only sent one. A simple email and they fixed it without question.

James

One stop shop!!!!

The site is my one stop shop for everything involving fitness. Easy to navigate and user friendly.

Bryan Joe

Great, affordable

Quick delivery and lots of great content

Francis

Don't think twice give it a try and be amazed

Great place to shop for quality product with a great deal.

Elizabeth

A Great Store to Purchase Gym Gear

Living.Fit offers very high-quality yet reasonably priced gym equipment. I'm very pleased with my purchase of a barbell from the shop. The item shipped quickly and was delivered without any issues. I also enjoy Living.Fit's humorous emails!

Sarah

Smooth transaction

Super smooth transaction, really couldn't ask for more!

Jon

Fast shipping and easy to use

Fast shipping, easy to use website, got me exactly what I needed

Cameron

I was very pleased with the whole purchasing process.

Purchasing the Bands through the website we smooth, communication from the company as to the status of my order was timely (I very much appreciated it:) and the Bands arrived in the expected time frame.

Leee

🛡️ Why Shop Living.Fit?

Trusted by Athletes, Trainers, and Home Gym Owners. Earn Reward Points on All Purchases

Living.Fit is a leading source for premium fitness equipment and training programs. We’ve helped over 100,000 customers upgrade their workouts—from beginners setting up their first home gym to elite athletes optimizing their performance. When you shop with us, you're backed by:


Expert-Curated Gear – We only stock equipment that meets our standards for performance, durability, and safety.

Fast, Reliable Shipping – Most orders ship within 1–3 business days from U.S. warehouses.

Real Reviews from Real Lifters – Our customer reviews are 100% verified—see what others are saying.

Top-Rated Customer Support – Questions? Our U.S.-based support team is here to help you every step of the way.

Join the Living.Fit community and experience the difference.

As Seen In

  • living fit brands logos
  • living fit brands logos
  • living fit brands logos
  • living fit brands logos