TB-500 half-life
TB-500 has an elimination half-life of about 1.5 h. Use the free calculator to plot how TB-500 levels rise and decay across your own doses.
Reference data
- Half-life
- 1.5 h
- Route
- SC
- Category
- Healing & repair
- Evidence
- Anecdotal
- Also known as
- Ac-LKKTETQ, Thymosin beta-4 fragment
Synthetic Tβ4 fragment with no published human PK; uses full-length Tβ4 data.
How much TB-500 remains over time
For a single dose with first-order elimination, half of what remains is cleared every 1.5 h.
| Half-lives | Time after dose | Remaining | Eliminated |
|---|---|---|---|
| 1 | 1.5 h | 50% | 50% |
| 2 | 3 h | 25% | 75% |
| 3 | 4.5 h | 12.5% | 87.5% |
| 4 | 6 h | 6.25% | 93.75% |
| 5 | 7.5 h | 3.13% | 96.88% |
TB-500 FAQ
What is the half-life of TB-500?
TB-500 has an elimination half-life of about 1.5 h (SC). Synthetic Tβ4 fragment with no published human PK; uses full-length Tβ4 data.
How long does TB-500 stay in your system?
With first-order elimination, about 97% of a single dose is cleared after five half-lives, roughly 7.5 h for TB-500. Individual clearance varies with dose, injection site, kidney function and other factors.
How long until TB-500 reaches steady state?
With consistent repeated dosing, levels approach steady state after about 4 to 5 half-lives, or roughly 6 h to 7.5 h for TB-500.
How reliable is this TB-500 half-life?
Evidence level: Anecdotal. No published pharmacokinetic data; this is a community estimate and may be far off.