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"I've never heard of a study claiming B12 in animals in vivo is not synthesized by bacteria (or archaea). Care to give a reference?" That's not what I was refe

"I've never heard of a study claiming B12 in animals in vivo is not synthesized by bacteria (or archaea). Care to give a reference?" That's not what I was referring to. I'm referring to the (implied) claim that the B12 synthisized in our gut by bacteria is available to us. Wikipedia doesn't support that claim, and Wikipedia is editable by anybody, so while it's mostly trustworthy, if a heavy portion of the editors have a bias, it's going to show in an article that is heavyily political/quasi-relisious like veganism. Or vice versa if Wikipedia editors are heavily carnivorous (e.g Atkins) and hate vegans or something like that. "Been vegetarian for over 35 years (only a few years of those vegan, but not having a B12 source in almost any)." Well, I don't know you, and can only assume you aren't lying or bending the truth, so I'll say that it is possible you are an outlier. In a cursory search yesterday (a couple hours only) I found references on both sides of the fence claiming that we can use B12 synthisized in our gut, and about the same number of sources saying we couldn't. Who to believe in such a hot, political topic. A guy with an axe to grind (vegan trying to defend/promote his lifestyle) or the fact that there seems to be no concensious in the sciencific community?

beagle3 13y ago
> In a cursory search yesterday (a couple hours only) I found references on both sides of the fence claiming that we can use B12 synthisized in our gut, and about the same number of sources saying we couldn't. If you can actually link to them, I would be grateful. I can only find yahoo-answers style discussions that claim people cannot. > A guy with an axe to grind (vegan trying to defend/promote his lifestyle) or the fact that there seems to be no concensious in the sciencific community? You are making an awful lot of assumptions about me. I'm not a vegan (I was for a few short years; I've been vegetarian for 35 though). And I more often in these discussions advocate against veganism and vegetarianism because even though they can be very healthy, most people do them wrong - and if you can't stand your ground with science in these discussions, you shouldn't be vegan. And about consensus in the scientific community - I believe I have science backing me here, but let's put it aside - I gave two other examples in which the (so-called) scientific consensus is provably wrong (and others mentioned egg consumption). Personally, I'm not ignoring scientific consensus on everything and try to look at the details. Follow the common/average belief, and you get common/average results. If you like mediocrity, all power to you.

beagle3 13y ago

> In a cursory search yesterday (a couple hours only) I found references on both sides of the fence claiming that we can use B12 synthisized in our gut, and about the same number of sources saying we couldn't. If you can actually link to them, I would be grateful. I can only find yahoo-answers style discussions that claim people cannot. > A guy with an axe to grind (vegan trying to defend/promote his lifestyle) or the fact that there seems to be no concensious in the sciencific community? You are making an awful lot of assumptions about me. I'm not a vegan (I was for a few short years; I've been vegetarian for 35 though). And I more often in these discussions advocate against veganism and vegetarianism because even though they can be very healthy, most people do them wrong - and if you can't stand your ground with science in these discussions, you shouldn't be vegan. And about consensus in the scientific community - I believe I have science backing me here, but let's put it aside - I gave two other examples in which the (so-called) scientific consensus is provably wrong (and others mentioned egg consumption). Personally, I'm not ignoring scientific consensus on everything and try to look at the details. Follow the common/average belief, and you get common/average results. If you like mediocrity, all power to you.