1mg of bpc 157 a day BPC-157 10MG BPC-157 vs. TB-500: Which Peptide
Description
Methionine also reduces the level of histamine in the blood, which reduces allergy symptoms

10.3109/07853890109002083 [DOI] [PubMed] [Google Scholar] Brcic L., Brcic I., Staresinic M., Novinscak T., Sikiric P., Seiwerth S

B-12 Shots for Boosting Mood Because B-12 is important for healthy nerve functioning and in metabolizing serotonin, the chemical that helps to regulate our mood, being deficient in B-12 can lead to depression

[58] Medical uses [edit] Treatment of deficiency [edit] Severe vitamin B 12 deficiency is initially corrected with daily intramuscular injections of 1000 g of the vitamin, followed by maintenance via monthly injections of the same amount or daily oral dosing of 1000 g

doi: 10.1002/ar.21110

They are not interchangeable by default
