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Natural Factors, B12, Methylcobalamin, 5000 mcg, 60 Chewable Tablets

By Natural Factors

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  • Product Code: NFS-01247
  • UPC Code: 068958012476
  • Package Quantity: 60 Chewable Tablets
  • Dimensions: 3.7 x 2 x 1.9 in, 0.1 lbs (0.05 kg)
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Product Overview

  • Dietary Supplement
  • Biologically Active Form of B12
  • Quick Dissolve
  • Suitable for Vegetarians
  • Purity & Potency Guaranteed

Methylcobalamin is active immediately upon absorption, while other forms (e.g., cyanocobalamin) must be converted to methylcobalamin in a two-step process. Methylcobalamin demonstrates exceptional activity in areas where other forms are simply not active. B12 supplementation is recommended for vegetarians and those suffering from B12 deficiency.

Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.

For people with B12 deficiencies it is popular to have injectable vitamin B12; however, research supports that oral administration of an appropriate dosage has been shown to produce as good of results as injectable preparations in treating vitamin B12 deficiency.

In people with low levels of B12, supplementation is very effective in improving energy levels and restoring mental function. B12 supplementation is recommended for vegetarians and those suffering from B12 deficiency.

Check with your doctor or health professional on what is the best form and potency for you.

Suggested Use

Chew and dissolve before swallowing 1 tablet under the tongue per day or as directed by a health professional.

Other Ingredients

Lactose (from milk), microcrystalline cellulose, croscarmellose sodium, magnesium stearate (vegetable grade).

Contains no artificial colors, preservatives, or sweeteners; no starch, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, salt, tree nuts, or GMOs.


Keep out of reach of children.

Sealed for your protection. Do not use if seal is broken. For freshness, store in a cool, dry place.

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Supplement Facts
Serving Size: 1 Tablet
  Amount Per Serving % Daily Value
Vitamin B12 (as methylcobalamin) 5000 mcg 83,330%

iHerb Customer Reviews

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Posted by Reviewer2839888 on Oct 13, 2009

I have had low B12 levels for years (180-200) despite being a carnivore. The best I could achieve with three monthly injections was high 300's. Since february last year, I replaced injections with this product and my levels are now 680!!! and for the first time ever my red cell level count in well into normal range. It makes sense, since people like me probably have low B12 level because of poor intestinal absorption.

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25 people found the following review helpful

great size, fast absorption, scored through the middle

Posted by Reviewer2743011 on Sep 22, 2009

effective immediately. Small size with a score through the middle of the tablet to split the dose in half. Flavor is a bit paste like, but dissolves quickly so doesn't really bother me. I take half a tablet when i switch the kettle on, and it dissolves by the time my coffee is made. Recently purchased Jarrow brand to try, which takes half an hour to dissolve! This brand is better value for money, and extremely effective, which is why i had to half the dose. I will stick to this brand from now on

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16 people found the following review helpful

Neuropathy help

Posted by Reviewer1729990 on May 28, 2010

I am using these sublingual B12s at a high dosage, as researched for helping peripheral neuropathy. My neuropathy is extremely painful, I have numbing of the fingers, and it extends even to my teeth. Ow! Using this product definitely is helping to calm the pain. An excellent product, but expensive due to high dosages. Still the best buy on the market. Most effective for me with benfothiamine multi-b (iherb) and high doses of the omegas and vitamin d3.

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15 people found the following review helpful


Posted by Reviewer1956784 on Sep 12, 2010

I think I must have been deficient in B12 as - unlike almost all other supplements I've tried - this had an instant effect. I've had a severe afternoon energy dip around 3.00 pm for years now, but one little tiny pill & it's gone! Almost unbelievable, but it's three weeks now, and this was the only thing I've changed in my regime. Also noticed that - as the literature says - my body clock seems to have adjusted itself: sleepy when its dark & awake with the light - makes getting up for work in the morning much easier. If like me you've been short on energy you've really got to at least give this stuff a try.

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12 people found the following review helpful


Posted by Reviewer1730943 on Oct 09, 2008

I was looking for a good B12 for my closest friend who suffers anemia which is deficiency of b12. I decided this one by reading comments and ordered for her and myself and I can say one thing the result is very good. It really affects very fast and increase your energy. But supporting with folic acid is necessary. Good.

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10 people found the following review helpful

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