Comments on: Coenzyme Supplements: Methylcobalamin and Adenosylcobalamin https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/ Evidence-Based Nutrient Recommendations Fri, 17 Jul 2026 22:41:05 +0000 hourly 1 https://wordpress.org/?v=7.0.2 By: JackNorrisRD https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/#comment-5696 Tue, 09 Jun 2026 03:56:44 +0000 https://veganhealth.org/?page_id=1554#comment-5696 In reply to Tania Rey.

Sí, es seguro, pero recomendaría obtener al menos 25 mcg por día y quizás hasta 50 si el niño es mayor de 10 años.

]]> By: Tania Rey https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/#comment-5695 Mon, 08 Jun 2026 12:05:42 +0000 https://veganhealth.org/?page_id=1554#comment-5695 En mi país solo se consigue suplemento para niños de metilcobalamina, es seguro?

]]> By: JackNorrisRD https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/#comment-5261 Mon, 25 Jul 2022 21:29:31 +0000 https://veganhealth.org/?page_id=1554#comment-5261 In reply to Satendra Vishwakarma.

Satendra,
I didn’t see any when I researched this article, but it’s not surprising given what a small amount of cyanide a cyanocobalamin supplement would contribute to the body—researchers probably wouldn’t consider it worth their time to investigate.

]]> By: Satendra Vishwakarma https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/#comment-5259 Sun, 24 Jul 2022 20:25:20 +0000 https://veganhealth.org/?page_id=1554#comment-5259 In reply to JackNorrisRD.

Any data on bioaccumulation of cyanide in tissues over the period of time ie from its continuous use?

]]> By: JackNorrisRD https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/#comment-5133 Thu, 26 Aug 2021 12:25:17 +0000 https://veganhealth.org/?page_id=1554#comment-5133 In reply to Jay.

Jay, if you can show us some peer-reviewed research in addition to what we’ve outlined above, I’d be happy to take a look at it to see if we should modify our view.

]]> By: Jay https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/#comment-5131 Thu, 26 Aug 2021 00:35:53 +0000 https://veganhealth.org/?page_id=1554#comment-5131 In reply to JackNorrisRD.

Actually it is very possible and has been reported before that some people seem to have trouble converting cyano to the active forms. Studies have found that methyl is best. Hydroxo next. Cyano is worst. The book Could it be b12? Is the most comprehensive I have found and goes into some detail about this.

]]> By: JackNorrisRD https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/#comment-5034 Sun, 14 Feb 2021 03:32:43 +0000 https://veganhealth.org/?page_id=1554#comment-5034 In reply to Liz.

Liz,
I wouldn’t know how much methylcobalamin to give kids—I’d figure out a way to stick to cyanocobalamin. Have you looked into fortified foods? Or you might try crushing a lozenge and sprinkle a little bit in their food each day.

]]> By: Liz https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/#comment-5025 Thu, 11 Feb 2021 14:46:10 +0000 https://veganhealth.org/?page_id=1554#comment-5025 Hi, it is very hard to find low doses of B12 for kids. And most cyanocobalamin come in lozenges which is hard for young kids. How much methylcobalamin should I give my kids? I was hoping to find here the same sheet you have for cyanocobalamin. Thank you!

]]> By: Armani Kenziora https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/#comment-4982 Mon, 21 Dec 2020 11:33:42 +0000 https://veganhealth.org/?page_id=1554#comment-4982 Lisa, Nature’s Bounty 5000mcg B12 is made with cyanocobalamin. It’s available in grocery stores that sell vitamins and available in drug stores

]]> By: Lisa https://veganhealth.org/vitamin-b12/methylcobalamin-and-adenosylcobalamin/#comment-4967 Sun, 22 Nov 2020 23:22:03 +0000 https://veganhealth.org/?page_id=1554#comment-4967 Hello,
when I went vegan about 12 years ago, I read a lot about B12 and I found a very inexpensive and safe supplement method, using cyanocobalamin products. Now I just wanted to re-order one of these – but none is available anymore. When I search for “B12” at the German amazon or other websites, there is only methylcobalamin!
I think this might be a problem, if people look at the dosage recommendations that were developed in studies with cyanocobalamin.
Just wanted to share this thought… Hope there will be more studies with methylcobalamin, which is what I have to buy now. At a higher price, of course.

Best wishes to you!

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