With 1 mL bacteriostatic water
2.5 units
Page last checked
Reconstitution · BPC-157
BPC-157 dosage calculator
Pick the vial, the water you added and the dose. Get the exact draw in units for the syringe in your hand.
Step 1 of 4
- total mg in the calculation
- mL used in the calculation
- mcg
This vial holds 10,000 mcg in total.
- match the size on the package
U-100 insulin syringe · 1 mL · lines every 2 units · 1 unit = 0.01 mL
Draw to
5.0units
5.0 units on a U-100 insulin syringe · 1 mL · lines every 2 units, which is 0.05 milliliters. The nearest syringe line is 6 units.
10 mg ÷ 2 mL = 5.00 mg/mL
→ 50 mcg/unit · 250 mcg = 0.050 mL = 5.0 units
→ 50 mcg/unit · 250 mcg = 0.050 mL = 5.0 units
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Show the math and syringe details
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How to use the calculator
- 1
Enter the amount in the vial
- 2
Enter the water you added
- 3
Enter the dose you want to convert
BPC-157 is a lab-made peptide, fifteen amino acids long, copied from one short stretch of a protein found in human stomach juice. People take it hoping to heal faster — tendon and ligament injuries, muscle tears, and gut conditions such as inflammatory bowel disease.
Nearly all of that comes from rats and mice. Three small reports describe people receiving it, none with a comparison group, and between them they cover fewer than 30 subjects. None of the three tested a healing injury, and none used an injection under the skin.
No completed controlled human trial has shown which dose works for BPC-157. The range people report using is not a study result, tested schedule or recommendation.
no human dose shown to work
Examples using 10 mg of BPC-157
Each row uses 10 mg and the liquid volume shown. Dividing the amount by that volume gives the calculated concentration. The rows are arithmetic examples, not alternative product preparations.
◆ How liquid volume changes the resultdose used: 250 mcg
With 2 mL bacteriostatic water
5.0 units
With 3 mL bacteriostatic water
7.5 units
| Bacteriostatic water | Concentration | Per U-100 unit | Draw for 250 mcg | Nearest syringe line |
|---|---|---|---|---|
| 1 mL | 10.00 mg/mL | 100.0 mcg | 2.5 u · 0.025 mL | 2 u · 20.0% off |
| 2 mL | 5.00 mg/mL | 50.0 mcg | 5.0 u · 0.050 mL | 6 u · 20.0% off |
| 3 mL | 3.33 mg/mL | 33.3 mcg | 7.5 u · 0.075 mL | 8 u · 6.7% off |
The amount, liquid volume and dose shown here are the calculator’s starting example for BPC-157. Replace them with your own values. Every result in the table is calculated from those inputs.
BPC-157: what the syringe result tells you
The guide gives a range of reported BPC-157 use, but no established human dose. The calculator turns an amount into a liquid volume. It cannot show that the amount works or is right for a person.
Open the mixing details3 notes
What reported use means
The guide names the source of the reported range and explains where it came from. That tells you what people report taking. It does not show that those amounts work or that a study found them safe.
Keep that distinction in mind when reading the result. Limited human reports do not make all routes, amounts and schedules alike. The guide explains what each source can tell us and where its limits lie.
A stronger vial can need a smaller draw
The BPC-157 presets include two vial strengths. At the same water volume, the stronger vial holds more BPC-157 in each milliliter. Less liquid is then needed for the same entered amount.
Small draws make the lines on the syringe worth a close look. The gap between two lines can be a large share of the whole draw. The tool shows both the target and the nearest line, so you can see the difference.
A tidy number still depends on the inputs
The result starts with the vial amount, water volume and amount per draw. If one is wrong, a clear result can still describe the wrong mix. The software does not test what is in the vial.
An exact match with a syringe line shows how the entered values fit that scale. It does not show that the reported amount is an established dose. Those are two different questions, even when the math is simple.
BPC-157’s reported range is not a validated human dose
The cited review reports amounts used in practice and discusses estimates drawn from animal work. Those are different from a dose established in a human trial. The reported range describes use, with that evidence limit attached.
Read the supporting evidence3 supporting notes
Animal-to-human estimates still need validation
The review describes rough estimates from animal doses and an attempt to use body surface area to scale a dose. Neither gives a validated human dosing regimen. A dose derived by a formula still needs to be tested in people.
Different routes leave different evidence gaps
An amount reported by mouth, into a vein or at a specific tissue site does not automatically describe an injection under the skin. The route belongs beside the amount, including when a source reports more than one practice.
The calculator cannot verify the preparation
The tool converts the strength and mass you enter into a liquid volume. It cannot check what is in a BPC-157 vial or choose a treatment course. The number of draws left also does not tell you how long the mixture will keep.
Animal-to-human estimates still need validation
The review describes rough estimates from animal doses and an attempt to use body surface area to scale a dose. Neither gives a validated human dosing regimen. A dose derived by a formula still needs to be tested in people.
Different routes leave different evidence gaps
An amount reported by mouth, into a vein or at a specific tissue site does not automatically describe an injection under the skin. The route belongs beside the amount, including when a source reports more than one practice.
The calculator cannot verify the preparation
The tool converts the strength and mass you enter into a liquid volume. It cannot check what is in a BPC-157 vial or choose a treatment course. The number of draws left also does not tell you how long the mixture will keep.
Units to dose at 5.00 mg/mL
Mix 10 mg into 2 mL and one U-100 unit carries 50.0 mcg. The table shows how much peptide is in each numbered syringe line. These are conversion examples, not suggested doses.
Open the unit conversion table10 rows
| U-100 line | Volume | Mass (mcg) | Mass (mg) |
|---|---|---|---|
| 10 u | 0.10 mL | 500 mcg | 0.5 mg |
| 20 u | 0.20 mL | 1,000 mcg | 1 mg |
| 30 u | 0.30 mL | 1,500 mcg | 1.5 mg |
| 40 u | 0.40 mL | 2,000 mcg | 2 mg |
| 50 u | 0.50 mL | 2,500 mcg | 2.5 mg |
| 60 u | 0.60 mL | 3,000 mcg | 3 mg |
| 70 u | 0.70 mL | 3,500 mcg | 3.5 mg |
| 80 u | 0.80 mL | 4,000 mcg | 4 mg |
| 90 u | 0.90 mL | 4,500 mcg | 4.5 mg |
| 100 u | 1.00 mL | 5,000 mcg | 5 mg |
How the math works
- Concentration — divide the amount entered by the liquid volume used in the calculation: mg ÷ mL = mg/mL. This tells you how many mg are in each mL.
- Volume — the dose divided by that concentration: dose ÷ (mg/mL) = mL.
- Units — on a U-100 syringe one unit is 0.01 mL, so mL × 100 = units. A U-40 unit is 0.025 mL, so the wrong barrel is a 2.5× error. That is why the calculator asks which one you have.
- Rounding gap — the exact draw against the nearest syringe line: |exact − nearest line| ÷ exact × 100 = % difference.
Useful guides for this calculation
The math is only one part of the question. These guides cover the compound, published doses, side effects, mixing steps and supplies.