Healing & Recovery
TB-500 (Thymosin Beta-4 fragment)
A synthetic fragment of Thymosin Beta-4 studied for systemic tissue repair.
Educational only. Not medical advice. Dosages listed reflect what is commonly reported in research and user communities — consult a licensed physician before self-administering.
Typical dose
2–2.5 mg twice weekly (loading), then 2 mg weekly maintenance
Route
Subcutaneous
Half-life
~2–3 days
Cycle
4–6 weeks
What it does
- Promotes cell migration to injured tissue
- May improve flexibility and reduce inflammation
- Popular in equine veterinary medicine for tendon injuries
Honest limitations
- Banned by WADA — do not use if you compete in tested sport
- Very limited human data
Reconstitution example
Vial size
5 mg
BAC water
2 ml
Concentration
2.50 mg/ml
To dose 2 mg, draw 80 units on a U-100 insulin syringe.
Open the calculator with your own numbers →Injection
Route
Subcutaneous
Needle
29–31g insulin syringe
Timing
Any time of day, dose split across the week
Stacking
Often stacked with BPC-157 for injury recovery.
Side effects
- Head rush shortly after injection
- Mild fatigue
- Temporary lethargy
Contraindications
- Active cancer
- Pregnancy
- Competitive tested athletes
TB-500 (Thymosin Beta-4 fragment) protocol PDF — $9
Printable TB-500 (Thymosin Beta-4 fragment) protocol card: dosing tables, reconstitution math, cycle length, and reference literature. Instant PDF download.
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Where to buy
Vendors we've reviewed that publish third-party certificates of analysis.
Buy TB-500 (Thymosin Beta-4 fragment) at Rebirth Labs →