Animal foods including pasture-raised chicken and eggs, grass-fed lamb or beef, organic yogurt or kefir
Am J Clin Nutr 104(2):526536 Karhu E, Forsgrd RA, Alanko L, Alfthan H, Pussinen P, Hmlinen E et al (2017) Exercise and gastrointestinal symptoms: running-induced changes in intestinal permeability and markers of gastrointestinal function in asymptomatic and symptomatic runners
A multiple-step process
Nutrients 8, 167
Whether oral BPC-157 produces significant systemic effects beyond the GI tract through mucosal absorption remains an area of active research: some preclinical studies suggest systemic effects at higher doses, but the primary clinical rationale for oral administration is local gut action
So, injection is an extremely good treatment, but how often can you get a B12 shot, lets find out