What is BPC-157?
BPC-157 is a synthetic peptide made of 15 amino acids. It was first described in 1993 by researchers who based it on a protein found in human gastric juice, and its name stands for “Body Protection Compound.”
It is sold as a white powder in a sealed vial, most often 5 mg or 10 mg, and has to be mixed with bacteriostatic water before use. That mixing step is where the math above comes in.
What does the research on BPC-157 show?
Almost all of the research on BPC-157 is in animals and cells, not people. Studies in rats and mice have looked at tendons, muscles, ligaments, bones and the gut, often with positive results.
Human evidence is very limited. A 2025 review found only three small published pilot studies, with between 2 and 16 people each: one on knee pain, one on bladder pain (interstitial cystitis) and one on safety when given into a vein. None was a large controlled trial. The review’s authors concluded that BPC-157 should not be recommended for clinical use until well-designed human trials are done.
Researchers have also raised possible risks that haven’t been studied in people, including effects on blood vessel growth. Products sold online as “research chemicals” are not checked for purity or labeling.
Is BPC-157 legal?
BPC-157 is not approved for human use by the FDA or by any other regulator. Its rules for pharmacy compounding in the US changed in 2026:
- FDA concerns: the FDA has said compounded BPC-157 may carry a risk of immune reactions and impurities, and that it lacks enough safety information to know whether it causes harm in people.
- April 2026: the nominations for BPC-157 were withdrawn, so it moved off the FDA’s list of compounding substances with safety concerns (Category 2). That is not an approval.
- July 2026: an FDA advisory committee voted to recommend adding BPC-157 to the list of substances pharmacies may compound. The vote is advisory only; the FDA still has to decide, and pharmacies can’t compound it under that list until it does.
- Sport: the World Anti-Doping Agency bans BPC-157 at all times, so athletes who are tested can’t use it.
Laws differ between countries and change over time. Check the rules where you live.
How do you reconstitute BPC-157?
You mix the powder with bacteriostatic water, then use the calculator to turn your dose into syringe units. The step-by-step method is the same for any peptide vial: see how to reconstitute peptides, and choosing how much water to add for picking an amount of water.
This site gives no dose for BPC-157. The dose you enter should come from a qualified healthcare professional.