Dose calculator

BPC-157 dose calculator

Convert any BPC-157 dose into syringe units in real time, pre-filled with a 5 mg / 2 mL example.

Download Peptide PilotiPhone · Free to download

Draw on a U-100 syringe

0.01 units

Volume to draw

0.000 mL

BPC-157 is a peptide people use to speed up recovery from soft-tissue injuries — tendons, ligaments, muscle strains, and gut-lining irritation. In animal studies it consistently accelerated tendon and muscle healing versus saline controls, often by promoting new blood-vessel growth at the injury site. Human clinical data is limited, so most reports are anecdotal. This page covers reconstitution math, typical daily logging cadence, and common mistakes.

How the BPC-157 dose calculator works

This calculator answers a simple question: given the concentration of the BPC-157 solution already in your vial, how many syringe units does today's dose work out to? It is the second half of the reconstitution math — the first half locks in concentration, this one converts any dose mg or mcg into a clean unit count.

The formula is volume in mL equals dose mg divided by concentration mg/mL, then volume times one hundred to get units on a U-100 insulin syringe. With a 2.5 mg/mL BPC-157 solution and a 0.25 mg dose, the draw is 0.10 mL or about 10 units. Type any other dose and the unit count updates in real time — no spreadsheets, no guesswork.

Inputs that genuinely matter: concentration (which only changes when you reconstitute a new vial) and dose mass. Syringe type matters too, but only because U-100 vs U-40 changes the multiplier — almost every modern insulin syringe is U-100, which is why the math defaults to that. Edge cases worth flagging: switching from mcg to mg without checking the input unit, or carrying yesterday's unit count over to a new vial that was reconstituted with a different volume of BAC water.

Most people use this calculator at two moments: when titrating a dose up or down, and when prepping a single dose before injection. The output is meant to be checked against the syringe before drawing — read the markings, confirm the unit count, then draw. The calculator is fast precisely so you can do that check every time without it feeling like a chore.

How BPC-157 dosing is tracked

Daily subcutaneous injection is the default cadence in most BPC-157 logs, and twice-daily protocols also appear. Doses are small enough that a U-100 insulin syringe is the standard tool.

Cycling — running BPC-157 for a defined number of weeks, then taking a break — is common in personal logs. Recording the start and stop date of each cycle in the log is what makes the timeline auditable later.

Some users inject BPC-157 close to a target area; others prefer rotating standard subcutaneous sites. Either way, recording the injection site in the log is what surfaces site-rotation patterns over time.

A unique consideration when planning a documentation schedule for BPC-157 is the administration route. While subcutaneous injection is common in peptide research, a significant body of preclinical literature on BPC-157 also explores oral administration. This dual-route exploration makes it a critical variable to log for accurate personal tracking. If a protocol involves subcutaneous administration, precise dose calculation is necessary. For example, a 5 mg vial reconstituted with 2 mL of bacteriostatic water yields a concentration of 2,500 mcg/mL. A 250 mcg illustrative dose is 0.1 mL or 10 units on a U-100 syringe. This dose would be logged with a daily cadence, explicitly noting the administration route (e.g., 'Subcutaneous, left thigh') to distinguish it from any potential oral use.

BPC-157 mechanism in plain English

BPC-157 is studied for its possible effects in tissue and connective-tissue contexts. The mechanistic literature is still developing and there are no peptide-page-appropriate clinical claims to make beyond noting that it remains a topic of active research.

Anyone tracking BPC-157 in a personal log will benefit from pairing the dose history with whatever metric the protocol is targeting — joint comfort ratings, recovery notes, or general wellbeing tracking. As with every peptide, the trend across weeks is what is meaningful, not any single day.

Published research on the mechanisms of BPC-157 frequently centers on its interaction with angiogenesis, the process of forming new blood vessels. Specifically, studies have observed its influence on the Vascular Endothelial Growth Factor Receptor 2 (VEGFR2) signaling pathway. In various research models, the peptide has been documented to modulate the activation of this key receptor. This interaction is often studied in conjunction with the nitric oxide (NO) system, as the VEGFR2 pathway and NO synthesis are closely linked. The scientific inquiry focuses on how BPC-157 might influence these cascades, providing a framework for observing its effects at a molecular level without making clinical claims.

Common BPC-157 dose mistakes

  • Typing a milligram value into the calculator with the toggle still set to micrograms — produces a unit count 1000x too high.
  • Forgetting whether the morning dose was already taken on a twice-daily protocol — almost always a logging gap, not a math problem.
  • Reading 250 mcg as 25 units regardless of vial concentration. The unit count depends on diluent volume.
  • Reusing the previous vial's unit count after switching to a new vial reconstituted with a different volume.
  • Letting reconstituted BPC-157 sit at room temperature on travel days when a small cooler would have kept it cold.
  • Not recording the injection site, which makes site-rotation patterns invisible weeks later.
  • Failing to document the administration route, since both oral and subcutaneous methods are explored in research literature, making the route a critical variable.
  • Neglecting to log a detailed site rotation schedule, which makes it difficult to monitor for lipohypertrophy that can be observed with daily injections.
  • Assuming BPC-157 and TB-500 follow the same logging cadence when tracked as a stack, which can lead to inaccurate and conflated records.

Frequently asked questions about BPC-157 dose

Why does the BPC-157 calculator default to micrograms?
Because typical illustrative doses are well below 1 mg, and typing 250 mcg is much less error-prone than typing 0.25 mg. The mg-mcg toggle is still available if the protocol you are following is framed in milligrams.
How is BPC-157 reconstituted?
Add a measured volume of bacteriostatic water through the rubber stopper, then swirl — not shake — until the lyophilized powder fully dissolves. A 5 mg vial with 2 mL of BAC water gives a concentration of 2,500 mcg per mL.
How many units of BPC-157 are in 250 mcg?
On a 5 mg vial reconstituted with 2 mL of bacteriostatic water (2,500 mcg per mL), 250 mcg is exactly 10 units on a U-100 insulin syringe. On a 5 mg vial with 1 mL of BAC water, the same dose is 5 units.
Is BPC-157 dosed daily?
Daily and twice-daily protocols are both common in personal logs. The cadence makes consistent logging especially valuable, because the easiest mistake on a daily peptide is losing track of whether a dose has already been taken.
How long does a 5 mg BPC-157 vial last?
At a 250 mcg daily dose, a 5 mg vial provides 20 doses — about 2.9 weeks of daily supply. The vial duration calculator runs the math for any combination of vial size, dose, and frequency.
Does BPC-157 need to be refrigerated?
Lyophilized powder is typically stored refrigerated, and the reconstituted vial is kept refrigerated and used within several weeks. Writing the reconstitution date on the vial helps prevent using a long-opened vial past its useful life.
Should every injection site be recorded?
Recording the site is what surfaces rotation patterns weeks later. Peptide Pilot includes a site picker for exactly this reason — clicking a body diagram is faster than typing the location and produces cleaner trend data.
What is the structural origin of BPC-157?
BPC-157 is a peptide fragment with the 15-amino-acid sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val. It is not a naturally occurring peptide on its own, but rather a synthetic copy of a sequence isolated from a larger protein called Body Protection Compound found in human gastric juice. Its unusual structure, particularly its proline-rich core, is studied for its potential role in the peptide's high stability.
Why is the administration route a critical variable to track for BPC-157?
Unlike many peptides that are almost exclusively studied via injection, BPC-157 has been explored in animal research through both subcutaneous and oral administration routes. Because the delivery method is a fundamental variable that influences how a substance is absorbed and distributed, it is a critical data point to log. Tracking whether a dose was administered orally or via injection is essential for maintaining an accurate and auditable personal record over time.
How does tracking a BPC-157 and TB-500 'stack' differ from tracking them individually?
Tracking these two peptides in a stack requires managing two distinct schedules within a single log. Research protocols for BPC-157 often involve a daily administration cadence. In contrast, TB-500 (or its active fragment) is typically documented with a less frequent schedule, such as twice-weekly. A proper log must record each administration event separately, noting the specific peptide, dose, and date to accurately observe any patterns or outcomes without conflating the effects of two different protocols.

Related on Peptide Pilot

Log every BPC-157 dose in the app

Download on the App Store