Many online vendors label it as for research only, but injecting researchchemical peptides is not safe or legal in most jurisdictions.
This dysbiosis can drive immune activation through several mechanisms
While most patients tolerate B12 shots well, mild side effects can occasionally occur, including minor pain or redness at the injection site, mild diarrhoea, or, in rare instances, an allergic reaction
Regarding increasing vitamin B12 levels, the IM route ranked first, followed by the SL route (MD = 94.09 and 43.31 pg/mL, respectively) compared to the oral route
Hubermans assertions in this podcast extends beyond the scope of this platform, its worth noting that the majority of his insights are based on solid reasoning and are commendable