Some portion of intranasally administered peptides may reach the central nervous system through the olfactory pathway, bypassing the blood-brain barrier
Sosne et al., Exp Eye Res , 2002), suppresses NF-kB-mediated cytokine release, and reduces myofibroblast trans-differentiation, which the authors interpret as an anti-scarring effect
Nerve damage can be challenging to heal, as nerves have limited regenerative capacity
Everything depends on balance
Additionally, B12 is vital for DNA synthesis, cell division, and energy metabolism, helping to reduce fatigue
Overall, B12 shots remain a valuable tool in addressing deficiencies and supporting overall well-being when prescribed and administered under appropriate medical guidance