While oral B12 supplements are available, vitamin B12 injections have advantages including enhanced absorption since it bypasses digestion, a fast-acting energy boost from quick absorption, higher blood levels reached versus pills, lasting benefits between maintenance doses, improved concentration and mental clarity, and often more affordable and convenient long-term
7(4): p
This option works well when rib injury location makes local injection impractical
doi: 10.1093/jleuko/qiae126 68 CorcoranSEONeillLAJ
Odutayo A, Wong CX, Hsiao AJ, Hopewell S, Altman DG, Emdin CA
However, its efficacy is substantially compromised in patients with obesity caused by MC4R deficiency, a common monogenic form of obesity