bpc 157 safety adverse effects case report BPC-157 Side Effects: What Research Shows Is BPC‑157 a Risk? Safety,
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doi: 10.1111/j.1365-2249.2009.04007.x [DOI] [PMC free article] [PubMed] [Google Scholar] 520

The problem is that your body produces fewer of them as you age

Neurological manifestations include persistent brain fog , memory loss , and difficulty concentrating that significantly impacts professional and personal performance

Guerriero, S., Condous, G., van den Bosch, T., Valentin, L., Leone, F
Moreover, the composition of gut microbiota has been reported to affect tryptophan levels in the systemic circulation

Not required, but recommended
