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The Peptide Effect

Tools

Peptide Blend Calculator

Combine two peptides in a single syringe. Enter each peptide's dose and concentration to calculate individual and total volumes in mL and syringe units.

Common blends

Peptide A — BPC-157

mcg
mg/mL

Peptide B — Ipamorelin

mcg
mg/mL

Syringe type

Total to draw (U-100)

13.0

units (0.1300 mL)

BPC-157

5.0

IU (0.0500 mL)

Ipamorelin

8.0

IU (0.0800 mL)

Show the math›

BPC-157:

Volume = 250 mcg ÷ (5 mg/mL × 1000) = 0.0500 mL

Units = 0.0500 mL × 100 = 5.00 IU

Ipamorelin:

Volume = 200 mcg ÷ (2.5 mg/mL × 1000) = 0.0800 mL

Units = 0.0800 mL × 100 = 8.00 IU

Combined:

Total = 0.0500 + 0.0800 = 0.1300 mL = 13.00 IU

Assumptions

  • Both peptides are drawn into the same syringe sequentially
  • Concentrations depend on your reconstitution — verify before drawing
  • Peptide compatibility is not assessed by this tool — verify that your peptides can be safely combined
  • Total volume must fit your syringe (1 mL for most insulin syringes)

How This Calculator Works

Flow diagram showing how the blend calculator works
Blend calculation flow — combining two peptides into one syringe

For each peptide, the calculator converts the dose (mcg) to a volume (mL) using the formula: volume = dose ÷ (concentration × 1000). The two volumes are then summed to give the total draw. All values are also expressed in syringe units for your selected syringe type.

Assumptions & Limitations

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Frequently Asked Questions

Can I mix two peptides in one syringe?
Many peptides can be drawn into the same syringe for a single injection. Common combinations include BPC-157 + TB-500 (healing stack) and CJC-1295 + Ipamorelin (growth hormone secretagogue stack). However, not all peptides are compatible — some may degrade or interact. Research compatibility before combining.
Do I draw from both vials into one syringe?
Yes. The standard technique is to draw the first peptide, then insert the same syringe into the second vial and draw the second peptide on top. The volumes add together. Make sure the total volume fits your syringe.
What if the combined volume exceeds my syringe?
If the total volume exceeds 1 mL (for a standard insulin syringe), you can either use higher concentrations (less water when reconstituting), split into two injections, or use a larger syringe.
Does mixing peptides change the concentration?
No. Each peptide retains its original concentration in the syringe. You are combining two separate volumes, not diluting one into the other. The total dose of each peptide remains exactly what you drew.

Educational Use Only

This calculator is provided for educational purposes. It does not assess peptide compatibility, stability, or safety when combined. Always research compatibility before mixing peptides and consult a healthcare provider for guidance.

Last reviewed: February 2026