bpc-157 clinical trials human safety studies Here's a nice graphic on that you can hand If BPC-157 worked as well

Maintenance: 300500 mcg 23 times/week TB + daily BPC

B12 levels can decrease with age as well as being lower in people who have undergone weight loss surgery or suffer from Pernicious Anaemia, Crohns or Celiac disease

You can use B12 injections as a supplement if you feel you are not getting enough vitamin B12 through your food

47 , 388.e381388.e319 (2022)

A major difference between the two is the patient population

Although vitamin B 12 deficiency is known to damage the myelin sheath covering cranial, spinal, and peripheral nerves, the biochemical processes leading to neurologic damage in vitamin B 12 deficiency are not yet fully understood (22)