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THORNE - Vitamin B12 - as Methylcobalamin - Supports Heart & Nerve Health, Blood Cell Function, Restful Sleep & Methylation* - Third-Party Certified - Gluten, Dairy & Soy-Free - 60 Capsules

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Availability: Only 5 left in stock, order soon!
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Arrives Monday, Apr 13
Order within 9 hours and 37 minutes
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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 chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)

Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 1.83 x 1.83 x 3.22 inches; 1.12 ounces


Item model number ‏ : ‎ B125


Date First Available ‏ : ‎ January 11, 2004


Manufacturer ‏ : ‎ Thorne Research


Best Sellers Rank: #1,213 in Health & Household (See Top 100 in Health & Household) #5 in Vitamin B12 Supplements


#5 in Vitamin B12 Supplements:


Customer Reviews: 4.8 4.8 out of 5 stars (3,396)


Brand Name: THORNE


Item Form: Capsule


Primary Supplement Type: Vitamin-b


Diet Type: Gluten Free


Flavor: Unflavored


Product Benefits: Methylation


Age Range Description: Adult


Specific Uses For Product: Heart


Number of Items: 1


Dosage Form: Capsule


Global Trade Identification Number: 20


UPC: 693749125020


Manufacturer: Thorne Research


Unit Count: 60 Count


Item Weight: 0.07 Pounds


Item Dimensions: 1.83 x 1.83 x 3.22 inches


Allergen Information: Dairy Free, Fish Free, Shellfish Free, Soy Free


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Apr 13

This item is non-returnable:

Non-returnable due to Food safety reasons

View our full returns policy here.

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Top Amazon Reviews


  • High-Quality B12 That Truly Makes a Difference
Product Packaging: Standard Packaging
Thorne Vitamin B12 as Methylcobalamin is one of the best supplements I’ve used. The methylcobalamin form is easy to absorb and doesn’t upset my stomach like some other B12 products I’ve tried. I’ve noticed a real improvement in my energy levels and overall sense of well-being since I started taking it. The capsule is easy to swallow, and the quality feels premium — exactly what I expect from a reputable brand like Thorne. I also appreciate that it’s cleanly formulated without unnecessary fillers or additives. For anyone looking to support energy, cognitive health, or overall B-vitamin balance, this B12 supplement is a fantastic choice. Excellent efficacy and great value for what you get. Highly recommended! ... show more
Reviewed in the United States on February 9, 2026 by Jeffrey Gathe

  • Great product
Product Packaging: Standard Packaging
★★★★★ I’m extremely happy with THORNE Vitamin B12 as Methylcobalamin! This supplement has become a staple in my daily routine. The methylcobalamin form feels more effective and bioavailable compared to other B12 products I’ve tried, and I’ve noticed a real boost in my energy and focus since I started taking it. The quality feels premium, and I appreciate that Thorne is a trusted brand with clean, well-absorbed formulations. It’s gentle on my stomach and easy to incorporate into my wellness routine. If you’re looking for a reliable B12 supplement that supports energy, mood, and overall well-being, this one is fantastic. Highly recommend! 💊✨ ... show more
Reviewed in the United States on February 21, 2026 by Allie H.

  • Possibly a reputable vitamin product that works.
Product Packaging: Standard Packaging
The unregulated vitamin industry makes it hard to choose reliable supplements for sure. So I find this Thorne company, through my minor research and how I feel after using, seems to have a better quality product. For example, this Vitamin B12 that I am using for about two months may be why I am sleeping better and generally feeling noticeably good and improved. I also use their testosterone which deserves the same good recognition as I stated above. I am a 74 year old man trying to outsmart getting old. ... show more
Reviewed in the United States on February 7, 2026 by Amazon Customer

  • The real deal. Highly recommend
Product Packaging: Standard Packaging
This company is the best I've ever used. The pills are easy to swallow and the b12 content is all there so that, for the first time ever, I actually feel a substantial effect about a half hour after taking which lasts many hours. Quality all the way. Highly recommend.
Reviewed in the United States on February 22, 2026 by deconstructingVerbs

  • Health
Product Packaging: Standard Packaging
Good product
Reviewed in the United States on October 7, 2025 by artdowdle

  • Nic3 b12 supplement, helping multiple issues
Product Packaging: Standard Packaging
Nice b12 supplement, seems to help me with multiple things, muscle and foot issues, sleep, energy. Will purchase again.
Reviewed in the United States on March 28, 2026 by Bruce

  • Great quality.
Product Packaging: Standard Packaging
This brand is amazing! I’ve made it through more than half this bottle and the health benefits have been huge!! I don’t have any issues getting these down or with having upset tummy issues. I’ve not had any adverse side effects at all! I will be continuing to buy these because they have worked so well for me!! ... show more
Reviewed in the United States on February 11, 2026 by shaenaj14

  • Good buy
Product Packaging: Standard Packaging
Good supplement
Reviewed in the United States on March 13, 2026 by JuneMoon360

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