BPC-157 Side Effects: What We Know and What We Do Not
BPC-157 is a popular peptide, and many people try it without much information about safety. Here is what is known about its side effects, what is still unknown, and who should avoid it.
What is BPC-157?
BPC-157 is a lab-made peptide based on a piece of a protein found in the stomach. Most of the research on it comes from animal studies on healing tendons, muscles, and the gut. It is not FDA-approved for any use. Read more in BPC-157 for Muscle Growth.
Reported side effects
Most reports come from users and small studies, so this list is not complete.
Injection site reactions. Redness, soreness, itching, or swelling where it was injected.
Nausea or stomach upset.
Headache or dizziness.
Feeling flushed or tired.
What we do not know yet
This is the bigger issue. A 2025 review noted that no study has carefully tracked side effects or long-term safety in people. That means we do not know:
What happens with use over months or years
How it interacts with other medications
Whether it is safe in pregnancy or while breastfeeding
Theoretical risks
Blood vessel growth. BPC-157 appears to encourage new blood vessel growth in animal studies. That helps healing, but it raises a theoretical concern for anyone with a current or past cancer.
Product quality. Many products sold online are labeled "for research only." They are not checked for purity, sterility, or dose, which raises the risk of infection or contamination.
Who should avoid BPC-157
Anyone with a current or past cancer
Pregnant or breastfeeding women
Competitive athletes, since it is banned under anti-doping rules
Anyone who cannot confirm where the product came from
Where BPC-157 stands with the FDA
BPC-157 is not FDA-approved. In July 2026, an FDA advisory committee recommended letting pharmacies compound it again. That recommendation is not final, and the rules may keep changing.
When to get care
Stop using it and get care if you notice spreading redness, warmth, or pus at an injection site, a fever, hives, or swelling of the face or throat. Call 911 for trouble breathing.
BPC-157 side effects FAQs
Does BPC-157 increase testosterone?
There is no good evidence that it does.
Can BPC-157 raise blood pressure?
There is no strong evidence linking it to high blood pressure, but it has not been well studied in people. If you have high blood pressure or heart disease, talk with your provider first.
Is BPC-157 a steroid?
No. It is a peptide and does not act like anabolic steroids.
Can I drink alcohol while using BPC-157?
This has not been studied. Alcohol slows healing on its own, so limiting it makes sense if healing is your goal.
How we approach healing and recovery
Slow healing, ongoing pain, and poor recovery usually have causes we can test for, such as low vitamin D, iron deficiency, high blood sugar, low hormones, or poor sleep. Learn about peptide therapy at Elive Health or book a consultation.
This article is for education only and is not medical advice. BPC-157 is not FDA-approved. Talk with your own provider before starting any peptide.