TB-500 reconstitution calculator
Synthetic fragment of thymosin beta-4. Studied for tissue repair, wound healing, and inflammation reduction. No published human PK for the synthetic peptide; the listed half-life is a community estimate from endogenous Tβ4 kinetics (Mora, Ann N Y Acad Sci 2007).
By the DosingCalc editorial team. Numbers and dose ranges are checked against the sources listed on our editorial standards page.
Half-life
1.0 days
Storage
2-8°C refrigerated
Route
subcutaneous
Shelf life
21 days
Common side effects
headache, nausea, injection site irritation
What you need
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Syringes
30G 1cc 1/2" Insulin Syringes
30-gauge needle, 1ml capacity, 1/2" length. Most versatile size for peptide dosing. Common brands: Brandzig, Easy Touch, Care Touch.
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30G 0.5cc Insulin Syringes
0.5ml capacity with finer markings and bold graduation numbers. Better for small doses under 50 units.
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Bacteriostatic Water
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Frequently asked questions
How much bacteriostatic water should I add to TB-500?
For a 5mg vial of TB-500, add 2ml of bacteriostatic water. This concentration works well with a standard insulin syringe.
What is the typical TB-500 dosage?
Typical research dosages for TB-500 range from 2000 to 5000 mcg, administered 2x weekly.
How long does reconstituted TB-500 last?
Reconstituted TB-500 should be stored at 2-8°C refrigerated and used within 21 days. Unreconstituted vials can be stored for up to 24 months.