Peptide Decoding

TB-500 / Thymosin Beta-4 10 mg vial

Prices from 43 vendors, and how much to draw for the commonly cited doses.

Compare pricesHow to mix it
2 mg · 5 vendors · $14.98/mg5 mg · 28 vendors · $11.60/mg10 mg · 43 vendors · $6.80/mg
Read the regulatory status before you compare prices.

Human trials of full-length thymosin beta-4 were run for wound and eye conditions and were generally well tolerated, but TB-500 as sold is a fragment, not the same molecule, and has no trial record of its own. On July 23, 2026, an FDA advisory committee voted 8 to 6 with one abstention to recommend adding TB-500 to the list of substances pharmacies may compound, for wound healing. The FDA's own scientific reviewers had advised against it. The vote is advice, not a decision, and compounding TB-500 is still not legal today.

What a 10 mg vial costs

Every vendor we track that lists this exact size, cheapest first. Sort order is price only; affiliate status never changes it.

Median $6.80, or $6.80 per mg, across the 38 vendors with an exact, in-stock price.

Testing checks: outside lab · HPLC purity · mass spec identity · batch COA · lab named

  • Alpha Peptides: Stock not shown, left out of the range
  • Go Alpha Labs Peptides: Stock not shown, left out of the range
  • BioEdge Research Labs: Stock not shown, left out of the range
  • Iron Peak Peptides: Stock not shown, left out of the range
  • Licensed Peptides: Stock not shown, left out of the range

How to mix a 10 mg vial

Find the column for the amount of water you added to the vial. The number is how far to draw on a U-100 insulin syringe, where 100 units is 1 mL. This is arithmetic on the label, not a recommended dose.

How to read an insulin syringe · How much water to add

Dose1 mL water2 mL water3 mL water
2 mg20.0 units
5.0 doses/vial
40.0 units
5.0 doses/vial
60.0 units
5.0 doses/vial
5 mg50.0 units
2.0 doses/vial
100.0 units
2.0 doses/vial
Over 100 units: will not fit one U-100 syringe
No figure1-2x per weekhalf-life Not established

Printed on the vial.

Commonly referenced range: 2 up to 5 mg per week (start low, increase slowly)

iPeptide Decoding does not recommend a dose. Enter the amount your clinician gave you, or pick a value from the reference range to model.

Same dose, different draw. Pick whichever is easiest to measure.

02040608010040

U-100 insulin syringe (1 mL = 100 units). Draw to the teal line.

Multi-vendor comparison is a Pro feature.

Daily is 7. Twice weekly is 2.

Decoded

Your plan for TB-500 / Thymosin Beta-4

Dose
2 mg
Syringe draw
40units
Concentration
5mg/mL
Doses per vial
5
Cost per dose
$11.80
Monthly cost
$51.27
Current supply lasts
1.2months
Reorder by
Oct 25, 2026
TB-500 / Thymosin Beta-4 compound pageCalculatorDosage chart