What are the side effects of BPC-157?
The most commonly reported BPC-157 side effects are mild injection-site irritation, lightheadedness in first few doses, transient appetite changes. Most are mild and tend to be dose dependent. It is generally avoided with active malignancy (theoretical). Human clinical evidence for BPC-157 is limited, so this reflects reported and observed effects, not a complete safety profile.
Reported BPC-157 side effects
- Mild injection-site irritation
- Lightheadedness in first few doses
- Transient appetite changes
Who should avoid it
- Active malignancy (theoretical)
- Pregnancy / nursing (no data)
References
- Stable gastric pentadecapeptide BPC 157, review of pharmacology — Sikiric P. et al., Curr Pharm Des, 2018
- Pentadecapeptide BPC 157 effects on rat tendon healing — Krivic A. et al., J Orthop Res, 2006
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-06.