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Permalink Reply by Jeff Hutcho on May 8, 2012 at 10:27pm

Hi Sarah,

Cyancobalamine is a more stable form of Vit B12 than methylcobalamine. Cyanocbalamine is converted in the body to the methyl variety, with a tiny remainder of cyanide, which is excreted.

If you ate some stone fruit kernels or some seeds you would also ingest a minute amount of cyanide. Cyanide is also a natural product, it's just that it's production and use has gotten a bad name as a poison.

Here's a run down on foods that source Vit B12 in natural forms and also intrinsic factor.

http://www.whfoods.com/genpage.php?tname=nutrient&dbid=107

If your a vegan or vegetarian, changes the picture though.

Cheers

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