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Thorne Research, Methylcobalamin, 60 Vegetarian Capsules

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Thorne Research, Methylcobalamin, 60 Vegetarian Capsules

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Thorne Research, Methylcobalamin, 60 Vegetarian Capsules

In Stock
  • Expiration Date: January 2019
  • Shipping Weight:
    0.03 kg
    Switch to Imperial units
  • Product Code: THR-12502
  • UPC Code: 693749125020
  • Package Quantity: 60 Veggie Caps
  • Dimensions:
    7.6 x 4.3 x 4.3 cm , 0.02 kg
    Switch to Imperial units
Frequently Purchased Together
Product Overview


  • Dietary Supplement
  • Hypoallergenic

A bioactive form of vitamin B12

  • An active form of vitamin B12 more readily used by the body
  • Supports cardiovascular health, nerve function, and sleep
  • Without preservatives, magnesium stearate, or other lubricants and diluents
  • Made without flowing agents that can inhibit bioavailability

Methylcobalamin (an active form of vitamin B12) is essential for recycling homocysteine and the formation of methyl donors involved in cardiovascular function, sleep, blood cell formation, and nerve function. Most vitamin B12 supplements contain cyanocobalamin; however, the liver must first "detoxify" the cyanide molecule and attach a methyl group to form methylcobalamin from the cyanocobalamin. Methylcobalamin is already in the biologically active, tissue-ready form. Evidence indicates the body utilizes methylcobalamin more efficiently than it does cyanocobalamin. Research shows the quantity of cobalamin detected following a small oral dose of methylcobalamin is similar to the amount following administration of cyanocobalamin; but significantly more cobalamin accumulates in liver tissue following administration of methylcobalamin. Human urinary excretion of methylcobalamin is about one-third that of a similar dose of cyanocobalamin, indicating substantially greater tissue retention.

Suggested Use

Take 1 capsule one to three times daily or as recommended by your health-care practitioner.

Other Ingredients

Microcrystalline cellulose, hypromellose (derived from cellulose), capsule, leucine, silicon dioxide.

Allergy Warning: This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.

Excipient Free: This product does not contain wheat, gluten, corn, yeast, soy, egg, dairy products, or artificial colors, sweeteners, or flavors. This product also does not contain lactose, palmitic acid, or magnesium, calcium, or vegetable stearates.


Tamper Evident: Use only if bottle is sealed.

If pregnant, consult your health-care practitioner before using this product.

Store tightly sealed in a cool, dry place.

Supplement Facts
Serving Size: One Capsule
Each Capsule Contains: Amount Per Serving % DV
Vitamin B12 (as Methylcobalamin) 1 mg 16,667%
Daily Value (DV)
iHerb Customer Reviews


Posted by iHerb Customer on February 8 2018 | Verified Purchase

Awesome for memory

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Great product

Posted by iHerb Customer on June 17 2017 | Verified Purchase

This a a great product, probably one of the best on the market. Fast delivery and efficient service.

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Posted by iHerb Customer on May 22 2017 | Verified Purchase

You can always trust Thorne's products for their purity, minimal and safe excipients, safe recommended dosages based on reliable medical research. To improve absorption, it is best to open the capsule, put the content under the tongue and keep it there as long as possible before swallowing.

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No longer says "hypoallergenic" on the bottle - at least not the ones I've gotten recently

Posted by iHerb Customer on April 27 2017 | Verified Purchase

Not sure if they changed something to remove "hypoallergenic." I take methylcobalamin because it is apparently the most absorbed form of B12, and because according to 23andMe results run through geneticgenie.org, I appear to be an undermethylator.

Thanks for your feedback!

Thorne methylocobalamin mcg 1000

Posted by iHerb Customer on October 12 2016 | Verified Purchase

I can't use this product because it made me alergy.

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