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This type of deficiency is called Pernicious Anemia
Passive diffusion accounts for about 1% of total absorption, and this route of absorption is unaffected in patients with pernicious anemia ( There were studies in the 1950s and the1960s that showed that oral vitamin B12 could be absorbed by patients with pernicious anemia and could lead to resolution of the anemia ( The objective of our review is to inform clinicians on the effectiveness of oral vitamin B12 as adequate replacement in patients with pernicious anemia, as well as make recommendations on the dosing and frequency of clinical and laboratory monitoring
If the administration of a B vitamin supplement causes skin problems, such as the resurgence of juvenile acne, this may be due to a high vitamin B12 level in the skin or higher doses of vitamin B6 (pyridoxine)
The FDA has not evaluated its safety, quality, or effectiveness for any health-related use
Convenient No needles required, no water needed, and easy to take anywhere
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