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Dietary Deficiency: If your deficiency was purely due to diet (e.g., a vegan not supplementing) and youve since adjusted your diet or started regular oral supplements, you might eventually be able to space out injections more or even switch to oral maintenance, though this should always be carefully managed by your GP

P.S., S.S

2019;5:272293.:10.1016/j.trci.2019.05.008

Most practitioners recommend starting at 250-300 mcg daily to assess tolerance, then potentially increasing to 400-500 mcg if initial response is suboptimal and no side effects occur
