is injectable bpc-157 better than oral vs BPC-157 Injection vs Oral Peptide:

Its good practice to let the vial sit at room temperature for a few minutes before adding the BAC water

However, clinically overt vitamin B 12 deficiency with classical feature of macrocytic anaemia and neuropathy is infrequently seen in the elderly.2 Very often they have mild, subclinical deficiency, which are usually asymptomatic.2 Clinical manifestations of vitamin B 12 deficiency are usually non-specific and are highly variable according to severity or organ systems involved.9 There is no one clinical feature unique to all patients with vitamin B 12 deficiency

Its a marker, not a mechanism

It can increase red blood cells and appetite