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Many medical experts, including career FDA scientists, say there isn't enough data and research to prove the peptides are safe and effective, warning of possible quality control problems, contamination risks, and the potential for dangerous allergic reactions

They were briefly given category 2 status on this list, which makes it far more difficult for pharmacies to compound them legally

For longer-term storage: Freeze aliquots at -20C

If someone is using BPC-157 for gut healing or injury recovery and notices mood improvements, that is consistent with the gut-brain hypothesis but could also be placebo effect, improved function from reduced pain, or unrelated factors