bpc 157 daily use NBC News The Complete BPC-157 Dosage Guide:

Fortunately, Vitamin B12 injections offer a fast and effective way to restore vitality, boost your energy, and help you feel like the best version of yourself

Biological therapies mainly include inhibitors of pro-inflammatory cytokines and integrin antagonists: anti-TNF therapy, anti-IL-12/23 therapy, anti-integrin therapy

Capogrosso P, Jensen CFS, Rastrelli G, et al

This is a commonly referenced study from 1963 claiming a half-life of 5-6 days: nature.com/articles/198200a0 Although I would not cite it as an authority, the six-day half-life has also made it onto the B12 page in Wikipedia, seemingly unchallenged

What is the difference between Methylcobalamin and Hydroxycobalamin B12