For home use, subcutaneous is the standard route for a few practical reasons
Additional injections, such as vitamin C and glutathione, can further enhance immune support and cellular health
Same medication
Yes, for some individuals, a combined approach of B12 injections and tablets, or transitioning from injections to high-dose oral supplements for maintenance, is a viable and effective strategy
That all may change soon, at least for BPC-157, KPV, TB-500, MOTS-c, Epitalon, and Semax
Attempts to resolve this deficiency through intravenous administration are hindered by the very limited amount of vitamin B12 taken into the brain following even intravenous administration, as can be seen in numerous imaging studies