If dietary sources are insufficient, however, a doctor may recommend supplementation through pills or injections, depending on the cause of the deficiency.
Deficiency is common, especially in people who follow a vegetarian or vegan diets
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Experiments show that absorption rates improve with supplementation
Lean C57BL/6J mice and genetically obese (ob/ob) mice, all 12 weeks old, were divided into three treatment groups including: saline control, AOD9604 at a dose of 250 g/kg/day, and hGH at a dose of 1 mg/kg/day, with each group consisting of six mice
Maintenance Phase: Once adequate B12 levels are achieved, the frequency of injections can be reduced