Before getting into my dilemma with the data, let me first say that just shy of a year being Vegan, (Octoberish 2017 when I first started from memory) with no appreciable screw ups or cheats during this time excepting the first month (after that, some bread that had egg in it, some rice seasoning that had lactose in it, both of which were thrown out) - And still using alcohol fairly frequently (which may have exacerbated things) During the past week or so I have noticed some numbing of my fingers and tingling sensation. I sensed it might be lack of B12 so I had a look, and sure enough, it’s one of the first listed symptoms. I have a supplement but have taken it I think once in that entire time. I am taking it more now. The tingling has subsided. - - The Intellectual Dilemma with B12 absorption/lack of without supplementation - - There is a literal ton of data regarding animal products and by products and how they wreck havoc on the human digestive system, particularly in the colon, where they feed meat and animal fat eating nasty bacteria that, while providing some benefits to the host organism, also provide a whole lot of ill effects. On the other hand, there is evidence that B12 is made by good bacteria (the fiber munching kind) in the colon but the excuse as to why we need to supplement is that this B12 produced via the action of certain bacteria is simply wasted insofar as the human immune system goes, and just gets flushed down the toilet. This is the heart of the intellectual dilemma I have. I’m missing something but do not know what. The basic problem should be obvious – the ill effects of animal putrification release toxic compounds into the body, help crowd out the fiber munching kind, which can go hungry and start causing problems due to not being fed. However – when the fiber munching kind flourish, they give off Short Chain fatty acids and other beneficial compounds and even produce some B12 – but apparently all the good stuff is used but the B12 just gets dumped? Really? I do not like taking supplements, it says to me either my body is out of whack or God/Nature made a mistake (I don’t believe this), or (most likely) I’m just missing something. However, while I don’t know/don’t understand, I’m happy to supplement B12 because it’s worth it over going back to eating and having rotting corpses and by products mucking up my system. But it still makes me wonder what’s up. Any thoughts on clearing up what I see as inconsistent reckoning (as outlined above) would be helpful. Thanks. Edit: if a moderator would kindly edit my misspelled word in the title that would be appreciated, thank you.