Other drugs found to inhibit vitamin B 12 absorption from food include cholestyramine (a bile acid-binding resin used in the treatment of high cholesterol), chloramphenicol and neomycin (antibiotics), and colchicine (medicine for gout treatment)
Peptide compounds vary significantly in regulatory status some are FDA-approved for specific indications, others remain investigational or unapproved
Eur J Gen Pract (2006) 12(4):16973.10.1080/14017430601049449 24 Sanz-CuestaTGonzalez-EscobarPRiesgo-FuertesRGarrido-ElustondoSdel Cura-GonzalezIMartin-FernandezJet alOral versus intramuscular administration of vitamin B12 for the treatment of patients with vitamin B12 deficiency: a pragmatic, randomised, multicentre, non-inferiority clinical trial undertaken in the primary healthcare setting (project OB12)
All cited studies are conducted in rodent or in-vitro systems consistent with the molecule's RUO classification
Additionally, this would be similar to its effect on occluded vessels, as it bypasses occlusion and reestablishes blood flow (Amic et al., 2018