posted on Jul, 10 2007 @ 11:57 AM
Here is a link to an authoritative discussion on Vitamin B12 from a vegan nutritionist. It's over 20 pages long because B12 is complex to fully
understand, because this report also debunks common misunderstandings about B12, and because it contains a reference section for other scientific
articles on this topic.
It's true you should seek out the care of a qualified health professional on this subject ... often as people get older, their bodies produce less
"intrinsic factor", without which they will not absorb B12 no matter how many supplements they take. And B12 supplements are very pricey.
Bottom line on food sources: Active B12 is only found in animal foods. Inactive B12 forms (called "analogues") in foods such as tempeh, soy or
tamari sauce, miso, etc., are not a usable form of B12 ...sorry. Ovo-vegetarians can get B12 from eggs. Vegans must therefore rely on supplements.
Also, be aware of the ceiling values for maximum daily absorption of B12, since consuming any daily B12 beyond that ceiling value is a waste of
The New York Times bestselling author of nutrition books (Eat Right for Your Type, Live Right for Your Type) [as in Blood Type], Peter D'Adamo, a
naturopathic physician, has a website which links to the following information on Vitamin B12 supplements offered by their pharmacy partner. You
might be able to call them and ask more questions. Here is a link to a part of their website which discusses different therapeutic forms of B12:
[edit on 7/10/2007 by Uphill]