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BPC-157 Side Effects: What Studies and Users Report

What FDA labels and clinical studies report for BPC-157, how strong that evidence is, and what is still unknown.

Medically reviewed by Juan Pablo Frías, MD · · DisclosureGastric pentadecapeptideUpdated

Side effects reported in studies

Side effects reported in published studies, strongest design first. Frequencies are quoted as the source gives them; animal results are labelled.

Side effects of BPC-157 in labels and published studies
Side effectHow commonStudy typeSource
Side effects“The BPC-157 peptide infusion was tolerated, with no side effects reported.”Frequency not statedHuman uncontrolled trialn = 2Alternative therapies in health and medicine 2025, PMID 40131143
Adverse events overall“No one dropped out of the study, and no adverse events were reported.”Frequency not statedHuman uncontrolled trialn = 12Alternative therapies in health and medicine 2024, PMID 39325560

What is not known

  • How common each effect is at the doses people use outside of studies.
  • Effects that take longer to appear than the length of the published studies.
  • How BPC-157 interacts with other medicines and supplements.
  • Whether research-grade products, which are not checked by the FDA, behave like the material used in studies.

When to get medical help

Get urgent care for: trouble breathing, swelling of the face or throat, a widespread rash, severe or lasting stomach pain, fainting, or an injection site that becomes hot, red and spreading.

This is not a complete list. A doctor or pharmacist can help you judge whether a symptom is related.

Common questions

What are the side effects of BPC-157?

Studies we summarise reported side effects, adverse events overall. The table on this page gives how often each happened and links each source.

Is BPC-157 safe?

Its safety has not been established by an FDA review. BPC-157 is not FDA approved for any use. Research-chemical products are not checked for purity or dose.

Is BPC-157 banned in sport?

Yes. Prohibited by WADA (S0). Tested athletes should not use it.

More on BPC-157

DosageDoses used in published studies, with the source for each.CalculatorVial, water and dose to syringe units.ResultsStudy outcomes and when they were measured.PricePrice per mg and per week from dated listings. No vendor links.Legal statusFDA, compounding and WADA status with dates.How to injectSites, syringe types and hygiene, step by step.

Sources

  1. 1Safety of Intravenous Infusion of BPC157 in Humans: A Pilot Study.Alternative therapies in health and medicine · 2025PMID 40131143Accessed 2 Oct 2026
  2. 2Effect of BPC-157 on Symptoms in Patients with Interstitial Cystitis: A Pilot Study.Alternative therapies in health and medicine · 2024PMID 39325560Accessed 2 Oct 2026

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