6 b12 injections in 2 weeks Injection Dosage and Frequency: 7 Guidelines for Adults Vitamin B12 shots: Uses, benefits,

18 Table 4 Time to Improvement of Abnormalities in Vitamin B12 Deficiency After Initiation of Treatment A 2005 Cochrane review involving 108 patients with vitamin B 12 deficiency found that high-dose oral replacement (1 mg to 2 mg per day) was as effective as parenteral administration for correcting anemia and neurologic symptoms

Becoming certified not only sharpens your professional skills but also positions you as a trusted resource in addressing B12-related health challenges

doi:10.1042/BST0330811

Effectiveness and safety of vitamin B 12 tests [Internet]

When Injections Become Necessary If you cant absorb B12 from food, shots are a good solution