Maintenance therapy generally requires monthly injections, though some individuals benefit from biweekly administration depending on their bodys utilization rate and any ongoing absorption challenges
So the practical takeaway is not oral is better or SC is better. It is: pick one route, follow the documented per-dose figure for the vial you have, and keep the route constant so that whatever you observe is not confounded by a mid-stream route change
In rodent studies its been linked to tissue repair, the growth of new blood vessels (angiogenesis), and gut healing
PubMed Bock-Marquette I, Saxena A, White MD, et al
In other words, toxicity from B12 is extremely rare
Reset Method For patients with herniated or extruded discs, sciatica, spinal stenosis, and chronic neck or low back pain