BPC-157 Dosage Calculator
BPC-157 is most commonly supplied as a 5 mg or 10 mg lyophilized vial. Enter the vial strength, the bacteriostatic water volume you plan to use, and your target amount per draw to see the resulting concentration and the exact U-100 syringe mark.
- Concentration
- 2500 mcg / mL
- Concentration
- 2.50 mg / mL
- Per syringe unit
- 25.0 mcg / unit
- Draws per vial
- 20.0
- Total solution
- 200 units
Every figure below is arithmetic performed in your browser. Nothing here is a protocol, recommendation, or medical guidance — all Ares Research materials are supplied for in-vitro laboratory research only.
HPLC purity and mass-spec identity confirmation, published per batch. US-based tracked shipping.
Common BPC-157 vial configurations
A 5 mg vial reconstituted in 2 mL yields 2,500 mcg/mL, which puts 250 mcg at 10 units on a U-100 barrel and gives 20 draws per vial. The same 5 mg vial in 5 mL yields 1,000 mcg/mL, moving 250 mcg to 25 units — the same amount of peptide, simply easier to read on the syringe. A 10 mg vial in 2 mL doubles the concentration to 5,000 mcg/mL, halving the unit reading for any given amount.
Working with a 10 mg vial
Higher-strength vials concentrate more peptide into the same diluent, which pushes small draws toward the low end of the barrel where measurement error matters most. If you are working with a 10 mg vial and small target amounts, increasing the diluent volume to 4 or 5 mL keeps the reading in a comfortable range without changing the total peptide available.
Handling notes
BPC-157 arrives lyophilized and is stable at room temperature in that state for shipping, but is typically held refrigerated long-term. Introduce bacteriostatic water slowly down the vial wall rather than directly onto the powder cake, and swirl rather than shake — vigorous agitation can shear peptide chains. Once in solution, keep the vial refrigerated and shielded from light.
Frequently asked questions
How much bacteriostatic water for a 5 mg BPC-157 vial?
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There is no single correct volume. 1 mL, 2 mL, and 5 mL are all common laboratory choices. 2 mL gives 2,500 mcg/mL and puts a 250 mcg draw at 10 units on a U-100 syringe; 5 mL gives 1,000 mcg/mL and puts the same draw at 25 units, which is easier to read precisely. Pick the volume that puts your usual draw between roughly 10 and 50 units.
How many units is 250 mcg of BPC-157?
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With a 5 mg vial in 2 mL of bacteriostatic water, 250 mcg is 0.1 mL, which is 10 units on a U-100 insulin syringe. Change either the vial strength or the diluent volume and the unit reading changes — enter your own values above to see the exact figure.
How many doses are in a 5 mg BPC-157 vial?
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A 5 mg vial contains 5,000 mcg, so at 250 mcg per draw it holds 20 draws, and at 500 mcg per draw it holds 10. Diluent volume does not change this number — only the target amount per draw does.
How should reconstituted material be stored?
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Once reconstituted, most research peptides are held refrigerated at roughly 2–8°C, protected from light, in the original sealed vial. Bacteriostatic water contains 0.9% benzyl alcohol, which suppresses microbial growth in the diluent. Temperature, light exposure, and repeated freeze-thaw cycles all affect stability, so consult the compound-specific certificate of analysis and published stability data.
How do I read a U-100 insulin syringe?
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A U-100 barrel is graduated in units where 100 units equal 1 mL, so each single-unit mark is 0.01 mL. To convert a volume in mL to units, multiply by 100 — 0.25 mL is 25 units. This calculator reports both figures so you can cross-check the mark against the volume.
Related calculators
TB-500 / TB-4 vials → concentration, syringe units, and draws per vial.
Any vial, any diluent volume, any target amount → concentration, syringe units, doses per vial.
Compare diluent volumes before you mix — see how each one changes the syringe reading.