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iHerb Customer Reviews



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  • Formerly Bioactive-B12

  • Reviews | English
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    Best methylcobalamin

    Posted by Reviewer1530118 on Apr 03, 2014

    Not all methylcobalamin is the same, there are huge differences in potency and it's not about the mg's. This is the best B12 I've tried. Most sublingual methylcobalamin has no noticeable effect on me. (No B12 alleviates my tiredness, but good B12 products make me sleep deeper.) This works better for me than some 10 mg products. Combined with some adenosylcobalamin the effect is very noticeable. Just don't chew it, but place it under your tongue or lip for maximal absorption.

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    Energy, finally!

    Posted by Reviewer1479595 on Apr 07, 2011

    I definitely notice an energy increase on this. I have moderate ME/CFIDS. I take this with Solgar metafolin throughout the day, sublingually. Also, make sure you have potassium supplements on hand when you take this, to avoid getting leg cramps from low potassium. I was salt loading for orthostatic intolerance before taking this, now I am potassium loading and using only a normal amount of salt. This is a huge difference for me.

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    Lasts a long time

    Posted by Reviewer1870531 on Jun 01, 2009

    Very effective, and long lasting. These do not melt in the mouth as quickly as the Jarrow methyl-B12 tablets, so I think I can absorb more of the methylcobalamin. Too bad each tablet only has 1mg of B12!

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    Excellent B12 for methylation

    Posted by Reviewer2140768 on Oct 04, 2012

    Effective form of B12 that tastes great and is fast-dissolving. I chew them and let the product diffuse through the membranes of the mouth, which only takes a minute or so. I take B12 early in the day, which tends to have an energising effect. This product is invaluable if you are an under-methylator in which case you may feel fatigued, irritable, susceptible to hayfever, have elevated homocysteine and suffer from sleep problems. You might also benefit from taking extra methionine, however I would not suggest supplementing methionine in the absence of B12 plus a B-complex because B vitamins are essential in driving the methylation cycle and lowering toxic homocysteine levels.

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    Posted by Reviewer2726606 on Jan 01, 2010

    These are SO much better than the other B12 "expensive" chewable recc'd to my husband by the hospital. The price is better and so it the taste!

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    Love this for energy and B12 levels

    Posted by 5708047633897475183 on May 02, 2016

    I have a mthfr gene mutation and was recommended to use this for energy. It is fantastic! At first I only had 1 tablet, but after reading other reviews, I space out between 1-4 tablets a day, depending on how I feel. I believe you're body can't absorb too much B12 at once, hence why I like to space it out. The tablets taste nice and are easy to chew/absorb via your mouth. I just wish they sold bigger bottles of it! I highly recommend it if you need methyl b12.

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    Taste great - chewable

    Posted by DebraLeGere on Oct 30, 2007

    These are chewable and taste great. Using in addition to B complex and seem to be helping with stress and energy level.

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    food based B-complex is working better for my energy support...

    Posted by PracticalReviews on Oct 26, 2013

    i read about this product at a site forum called Phoenix Rising and decided to try it,it IS the Methyl B12 superior form but my body is not getting the energy it needs from it as it gets it from B-complex's that are based on a whole food with high B12 and not on synthetic B's.also,this product irritate my gums with its sweetener content ...you are welcome to rate & read my other reviews

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    think they work

    Posted by Reviewer3359533 on Dec 20, 2007

    not a huge noticable difference, but maybe a little.

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    Enzymatic Therapy B12 Infusion Chewable

    Posted by Reviewer2222288 on Apr 17, 2008

    Enzymatic Therapy is a company known for their product quality. I am very satisfied with this one

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