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THORNE

THORNE - Vitamin B12 - as Methylcobalamin - Supports Heart Nerve Health Blood Cell Function Restful Sleep Methylation

$24.00

215+ bought in the past month

About this item

  • 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)

Key details

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

Dimensions and fit

dimensions
‎ 1.83 x 1.83 x 3.22 inches; 1.12 ounces
product_dimensions
1.83 x 1.83 x 3.22 inches; 1.12 ounces

Technical specifications

item_model_number
B125

Item information

is_discontinued_by_manufacturer
No
date_first_available
January 11, 2004
manufacturer
Thorne Research
best_sellers_rank
#1,181 in Health & Household ( See Top 100 in Health & Household ) #3 in Vitamin B12 Supplements
Highlights

About this item

  • 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)

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Customer reviews

3,378 reviewsPositive

Rated 4.8/5 across 3,378 reviews — highly regarded by customers.

  • 100% of sampled reviews are from verified purchases.
  • 88% of sampled reviews give 4–5 stars.

Customers say

Customers find this B12 supplement highly effective and appreciate its highly bioavailable form.

Generated from the text of customer reviews

Reviews with images

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★★★★★

High-Quality B12 That Truly Makes a Difference

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! Read more

Jeffrey GatheVerified purchase
★★★★★

Great product

★★★★★ 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! 💊✨ Read more

Allie H.Verified purchase
★★★★★

Possibly a reputable vitamin product that works.

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. Read more

CustomerVerified purchase
★★★★★

The real deal. Highly recommend

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. Read more

deconstructingVerbsVerified purchase
★★★★★

Great quality.

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!! Read more

Customer review image for Great quality.
shaenaj14Verified purchase
★★★★

Nice multivitamins

Tastes like a normal multivitimin, smells like one also. Size of the pill is about the average size of most other pills. Other than that, I took them as directed. Didn't notice any crazy differences tbh, just felt healthier knowing that I was supplementing like I was supposed to haha Read more

The DadVerified purchase
★★★★★

Good buy

Good supplement Read more

JuneMoon360Verified purchase
★★★★★

Good supplement

I’ve been happy with this supplement. This brand was recommended to me. No side effects. I always take it in the morning. Read more

Chelsea BlairVerified purchase
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