Health conditions, recent illness, pregnancy, breastfeeding, and allergies are reviewed first
Hydroxocobalamin and cyanocobalamin are commonly used forms for injections
With intramuscular injections of B12, any excess will result in high levels within your blood so you may experience side effects such as headache, dizziness, tiredness, or gastrointestinal issues including nausea, until your body has metabolised any excess through your kidneys enroute to excretion via urine
In practice, any side effects are usually due to injection technique, contamination, or the medication its mixed with
The BPC-157 vote was also nominally about treating ulcerative colitis, and Leigh says almost nobody addressed that indication, including the members explaining their yes votes