[124] Other causes of B 12 malabsorption include bariatric surgery, pancreatic insufficiency, obstructive jaundice, tropical sprue, celiac disease, inherited intrinsic factor deficiency, and radiation enteritis affecting the distal ileum
R 3 is NR 5 R 6 , C 1 -C 6 alkyl-NR 5 R 6 , C 1 -C 6 haloalkyl, C 1 -C 6 alkyl-OR S , optionally substituted C 1 -C 6 alkylC 3 -C 6 cycloalkyl, optionally substituted C 2 -C 7 heterocycloalkyl, C 1 -C 6 alkyl-0O 2 R 6 , C 1 -C 6 alkyl-C(O)NR 5 R 6 , or R 2 and R 3 together with the carbon atom to which they are attached form an optionally substituted C 2 -C 7 heterocycloalkyl ring
Those on vitamin B12 deficient diets such as vegans and sometimes vegetarians tend to reabsorb more B12 than from their food intake
BPC-157 doesn't just call in a better-equipped repair crew