bpc 157 human clinical trials systematic review Multifunctionality and Possible Medical Application of the Peptide— Literature and Patent BPC-157 and the Difference Between
Description
Hypothyroidism is often a cause of Vitamin B12 deficiency, arising from the reduced absorption of B12, poor utilisation of the liver, and general organ disfunction associated with hypothyroidism, and sometimes by dietary insufficiency of B12 (particularly in the case of a vegetarian diet)

BPC-157 prevented, attenuated, and reversed gastric lesions across three protocols: prophylactic (given before drinking), concurrent (given during), and therapeutic (given after damage)
You can totally take B12 pills instead of injections if your doc gives you the A-OK
Note: 5-Amino-1MQ is a small molecule compound, not a peptide

This is important because bacteriostatic water for injection (BWFI) comes in a 30 ml multi-dose vial, which can be used over a period of 28 days after opening

Hunger cues may not be reliable while on this medication