Important NoticeThis app is for educational purposes only. You must be 18+ to use it. We do not sell any peptides on this site.
Select Peptide
Dose Frequency
Number of Doses
5 doses over 5.0 days
Select a peptide to visualize
Choose from 94 peptides with known half-life data.
Disclaimer: This visualization uses a simplified single-compartment pharmacokinetic model for educational purposes only. Actual blood concentration depends on many factors including bioavailability, volume of distribution, individual metabolism, and route of administration. Not medical advice.
This BPC-157 half-life calculator visualizes how a single dose decays in your bloodstream over time and how multiple doses stack into a steady-state concentration. BPC-157 has a half-life of Short (estimated hours), but accumulates at injury sites, which means half of any given dose has cleared after that window. Adjust the dose interval (in hours) and the number of doses above to model your protocol.
What is the half-life of BPC-157?
BPC-157 has an approximate half-life of Short (estimated hours), but accumulates at injury sites. The half-life is the time it takes for half of an administered dose to clear your system, which determines how often you need to inject to maintain stable blood levels. Use the calculator above to plot your specific dosing schedule and see the predicted decay curve.
How often should I inject BPC-157?
Injection frequency depends on BPC-157's half-life (Short (estimated hours), but accumulates at injury sites) and your protocol goal. The half-life calculator on this page lets you set a dose interval (in hours) and watch the resulting steady-state curve build up over multiple doses — useful for planning whether to dose daily, every-other-day, or weekly. Always consult a qualified healthcare provider before starting any protocol.
How do I reconstitute BPC-157?
Reconstitution means dissolving the lyophilized (freeze-dried) BPC-157 powder in bacteriostatic water (BAC water) to make an injectable solution. The Peptides Calculator app handles the math: enter total mg, BAC water volume in mL, and desired dose, and it tells you how many units to draw on a U-100 insulin syringe.
Is the BPC-157 half-life calculator free?
Yes — every half-life calculator on Peptides Calculator is free, including this BPC-157-specific page. No login required to view the decay curve or run scenarios.