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You are right that I 'try to' have as few opinions about possible, because facts are more interesting than opinions. Re. my 'opinion' about your statement re. B12 sources 'known to mankind':
...

Absolutely. :-) The circle is hereby broken. ;-)

Again: let's discuss Tempeh here, and the other stuff in relevant or new threads. Some very short comments:


That's as illogical as saying that there's no Chinese people in Germany if you don't...

I think we should move this discussion over to (an)other thread(s), but your statement "plants are not to be reliable as sources of vitamin B12" is not what some people come up with. Maybe a word is...

Check the sticky threads in this forum...

Regarding measuring the effectiveness of B12: we can only use the most reliable methods that are available + of course using B12 in real life situations. ...

First of all: I had to postpone replyng to this question, and then it got lost in between lots of other things I've had to do. Sorry!

I see your point - B12 analogue thing. There are many myths...

Here's some more info about some of the tempeh variations, for those interested:

Types of tempeh

When googling for more info about B12 in tempeh (and the usefulness of the B12 found in some tempeh), I came a cross this link:

http://www.pikiran-rakyat.com/cetak/0303/30/1003.htm



Based on...

...and, if you haven't read it, here is a short excerpt from that article on PubMed, debunking the myth that only tempeh from Indonesia may contain B12:



Remember that B12 in plants, animal...

http://diss-epsilon.slu.se/archive/00001186/01/xmffin0-online.pdf




Read a lot more about B12 in tempeh here.

From http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=2380647

"Vitamin B12 contents were determined on 10 commercial tempeh samples purchased from...