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Research has found B12 effective in treating pain from diabetic neuropathy and other conditions
Birth control pills: The data regarding the effects of oral contraceptives on vitamin B12 serum levels are conflicting
In contrast, the passive diffusion process of B 12 absorption normally a very small portion of total absorption of the vitamin from food consumption may exceed the haptocorrin- and IF-mediated absorption when oral doses of B 12 are very large, with roughly 1% efficiency
This method is used when other ways of taking B12 dont work
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