bpc 157 fda warning not approved safety bpc-157 A closer look at the unapproved peptide injections Five reasons adding peptides to
Description
Smoking was reported to be associated with lower vitamin B 12 levels than in non-smokers (Table 3) [42]

Acta , 2015, vol

Cerebral edema compresses healthy tissue
Can vitamin B12 cause anxiety

Journal of Clinical Medicine, 13 (13), 3741

You could be spending good money on something that wont fix the problem