TB-500 Calculator
Thymosin Beta-4 fragment
Reconstitution math and twice-weekly dose volume for connective-tissue recovery
TB-500 is a synthetic fragment of Thymosin Beta-4 commonly dosed at 2.5 mg twice weekly for soft-tissue and connective-tissue recovery protocols. Cycles typically run four to six weeks. Because the dose is in milligrams rather than micrograms, the volume per injection is larger than for BPC-157 — the calculator below shows you the exact mL and U-100 unit count to draw.
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Interactive TB-500 reconstitution and dose calculator
Worked example — TB-500 2.5 mg dose
A typical reconstitution and dose calculation for TB-500, with every variable spelled out. The calculator above runs the same math live as you change inputs.
- Vial strength
- 10 mg
- Bacteriostatic water
- 3 mL
- Concentration
- 3.33 mg/mL
- Dose volume
- 0.75 mL · 75 units
A 10 mg TB-500 vial reconstituted with 3 mL of bacteriostatic water yields 3.33 mg/mL. A 2.5 mg dose is 0.75 mL — 75 units on a U-100 insulin syringe. This dose fits in a 1 mL syringe but exceeds a 0.5 mL syringe; choose syringe size accordingly.
TB-500 dosing FAQs
Answers to the questions patients and clinicians ask most often about TB-500.
Related peptide calculators
Pre-loaded calculators for peptides commonly stacked or compared with TB-500.
Need a TB-500 protocol from a licensed provider?
The calculator handles the math. A licensed CULTR Health provider reviews your goals, lab history, and current medications before prescribing a peptide protocol that fits you. Telehealth visits are available only to eligible patients physically located in Florida.
This TB-500 calculator is an educational tool. It does not replace medical advice, prescription, or supervision. Compounded peptides are dispensed only by licensed 503A and 503B pharmacies under a valid prescription.