bpc-157 localized injection vs systemic Injectable Oral BPC-157: What Works Better? BPC-157 vs TB-500: Complete Comparison
Description
Safety depends on the patient, the treatment plan, and careful medical review

While Vitamin B12 tablets (cyanocobalamin) can be helpful for mild deficiencies or maintenance, they are not as effective as injections for correcting severe deficiencies

doi: 10.2165/00003495-200767010-00004 [DOI] [PubMed] [Google Scholar] 19.Gilbert J-A, Gasteyger C, Raben A, Meier DH, Astrup A, Sjdin A

Early treatment offers the best chance of complete recovery, whilst established nerve damage may show only partial improvement despite adequate B12 replacement
Some medical conditions, including autoimmune disease like shingles (herpes zoster), rheumatoid arthritis or celiac disease, as well as Lyme disease, some cancers, and several other diseases can also cause or increase the risk of nerve damage, also sometimes referred to as peripheral neuropathy

Statistical analysis The study results were evaluated using a one-way analysis of variance test
