For research purposes only. This page explains reconstitution/concentration math for blended research peptides. It does not recommend any human dose.
Run the Numbers
Calculate concentration per compound for a blended vial — the calculator keeps BPC-157 and TB-500 separate so each stays accurate. Free, no login required.
Open the free calculator →BPC-157 + TB-500 Blend Dosage Calculator
Enter each compound's mass, the shared bacteriostatic water volume, and a draw volume — BPC-157 and TB-500 are calculated separately. For research purposes only; reconstitution math, not a dose recommendation.
The problem this solves
When two research peptides — here BPC-157 and TB-500 — are reconstituted in a single shared vial, each one has its own mass but they share the same diluent volume. That means each compound has a different concentration even though they're in the same liquid. The blend calculator keeps the two concentrations separate so a single draw volume reports the correct amount of each compound. This is for research purposes only and is measurement math, not a dose recommendation.
How to read the result
Enter each compound's mass (BPC-157 mg and TB-500 mg), the shared bacteriostatic water volume, and a draw volume. The calculator returns two concentrations (one per compound) and, for your chosen draw, how many mg of BPC-157 and how many mg of TB-500 that volume contains. Read it as two simultaneous conversions running on the same solution.
Common mistakes
- Averaging the two masses. The compounds do not "share" a single concentration; each is its own mass / the shared volume.
- Using a single-compound calculator for a blend. That collapses both compounds into one number and misreports the draw.
- Changing one mass and not re-checking the other. Both concentrations depend on the shared water volume, so the ratio between them is fixed by the masses you enter.
- Unit misreads. As always, U-100 units = mL x 100; check both.
Worked logic (no recommendation)
If 10 mg BPC-157 and 10 mg TB-500 share 2 mL of water, each is at 5 mg/mL, so a 0.2 mL (20-unit) draw contains 1 mg of each. If the masses differ — say 10 mg and 5 mg — the calculator reports the two different amounts in the same draw. These are conversions for research record-keeping only.
Frequently asked questions
Why not just halve a single calculator?
Because the two compounds usually aren't equal mass; the blend math handles unequal masses correctly.
Does it recommend a blend ratio or dose?
No. You enter the masses; it reports concentrations and amounts. No recommendation is made.
Is this medical advice?
No — research and educational measurement math only.
Calculating a two-peptide blend
Researchers sometimes reconstitute BPC-157 and TB-500 together in a single vial. The math is the same per-compound formula applied twice, because each peptide has its own mass in the blend but shares the same water volume.
Worked example (illustrative math only)
Say a blend vial contains 5 mg BPC-157 and 5 mg TB-500, reconstituted in 3 mL of bacteriostatic water:
- BPC-157 concentration = 5 mg ÷ 3 mL ≈ 1.67 mg/mL
- TB-500 concentration = 5 mg ÷ 3 mL ≈ 1.67 mg/mL
Because both share the same water volume, a single measured volume draws a proportional amount of each compound. The calculator handles each component separately so the concentrations stay accurate.
Why this trips people up
The most common error is treating the blend as one 10 mg quantity. It isn't — each compound is calculated on its own mass. The calculator keeps them separate.
Open the Calculator
Let the free Peptide Manager Pro calculator compute per-compound concentration and syringe volume for your blend.
Open the Calculator →Reminder: For research purposes only. BPC-157 and TB-500 are research compounds and are not FDA-approved. This is laboratory measurement math, not medical guidance.
Frequently asked questions
How do I calculate a BPC-157 and TB-500 blend?
Apply the same reconstitution formula to each compound separately. Each peptide has its own mass but they share one water volume, so each concentration equals its mass ÷ the shared water volume. The calculator above keeps them separate. For research purposes only.
Do BPC-157 and TB-500 share the same water volume?
Yes. When reconstituted together in one vial they dissolve in the same bacteriostatic water, so a single draw pulls a proportional amount of each compound based on its individual concentration.
How is each compound's amount per draw calculated for research?
Multiply each compound's concentration by the draw volume. For example, 5 mg BPC-157 and 5 mg TB-500 in 3 mL water both give ≈1.67 mg/mL; a 0.5 mL draw contains ≈0.83 mg of each. For research purposes only.
Is this medical or dosing advice?
No. BPC-157 and TB-500 are research compounds and are not FDA-approved. This page and calculator describe laboratory reconstitution math only and do not recommend any human dose.
Save your results & get our free research reconstitution guide
Drop your email and we'll send the peptide research reconstitution starter — plus new calculator guides as we publish them.
For research purposes only. No spam — unsubscribe anytime.