top | item 17120450 (no title) libdong | 7 years ago It's produced by bacteria in the intestines, but not absorbed during the first pass through. discuss order hn newest lisper|7 years ago Why would it be absorbed any better the second time around?(This thread is making me feel queasy.) libdong|7 years ago Like others have said, it takes time for B12 to be produced in significant quantities, and by that time it has passed the small intestine where it can be absorbed. sndean|7 years ago I'm not sure, but dogs have significantly shorter (looking quickly, 1/4 the length?) digestive tracts than we do. Less surface to absorb things. londons_explore|7 years ago probably produced too late in the process...Rabbits for example re-eat every piece of faeces because the digestion of grasses take so long it takes two passes to get the energy out...
lisper|7 years ago Why would it be absorbed any better the second time around?(This thread is making me feel queasy.) libdong|7 years ago Like others have said, it takes time for B12 to be produced in significant quantities, and by that time it has passed the small intestine where it can be absorbed. sndean|7 years ago I'm not sure, but dogs have significantly shorter (looking quickly, 1/4 the length?) digestive tracts than we do. Less surface to absorb things. londons_explore|7 years ago probably produced too late in the process...Rabbits for example re-eat every piece of faeces because the digestion of grasses take so long it takes two passes to get the energy out...
libdong|7 years ago Like others have said, it takes time for B12 to be produced in significant quantities, and by that time it has passed the small intestine where it can be absorbed.
sndean|7 years ago I'm not sure, but dogs have significantly shorter (looking quickly, 1/4 the length?) digestive tracts than we do. Less surface to absorb things.
londons_explore|7 years ago probably produced too late in the process...Rabbits for example re-eat every piece of faeces because the digestion of grasses take so long it takes two passes to get the energy out...
lisper|7 years ago
(This thread is making me feel queasy.)
libdong|7 years ago
sndean|7 years ago
londons_explore|7 years ago
Rabbits for example re-eat every piece of faeces because the digestion of grasses take so long it takes two passes to get the energy out...