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While efficacy matters, the tolerability and adverse effect profile often determines whether a treatment is suitable for long-term use
Similarly, Vitamin B12 levels can be reduced in mothers with pernicious anemia, an autoimmune disorder that limits Vitamin B12 absorption, and mothers who have undergone gastric bypass surgery
B12 is unique among vitamins because it requires a complex absorption process
Patients often report improvements in their physical performance, reduced fatigue, and an overall sense of well-being
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