Half-lives / SS-31 (Elamipretide)
SS-31 (Elamipretide) half-life
SS-31 (Elamipretide) stays in your system about 20 hours — five half-lives at a half-life of ≈ 4 h (4 h). The computed decay curve is below, with the primary source cited.
Also searched as: ss31, elamipretide, forzinity, mtp-131.
Source: Elamipretide (SS-31) SubQ PK ≈ 4 h; FDA accelerated approval 2025 (Barth syndrome)
Frequently asked
How long does SS-31 (Elamipretide) stay in your system?
With a half-life of ≈ 4 h, roughly 97% of a single SS-31 (Elamipretide) dose is cleared after five half-lives — about 20 hours. Repeated dosing accumulates and takes correspondingly longer to clear.
What does a ≈ 4 h half-life mean in practice?
Every 4 h, the remaining amount halves: 100% → 50% → 25% → 12.5%, and so on. The curve above plots exactly this decay for a single dose.
Where does this SS-31 (Elamipretide) half-life number come from?
Elamipretide (SS-31) SubQ PK ≈ 4 h; FDA accelerated approval 2025 (Barth syndrome). We cite a primary source for every half-life we publish and version every change.
Related: SS-31 (Elamipretide) reconstitution calculator · SS-31 (Elamipretide) dose charts
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Guides mentioning SS-31 (Elamipretide)
See your own estimated levels
The Zyra Track app plots this curve from the doses you actually log — accumulation, overlaps, and all. Free during the founding period.
Zyra Track is a research and educational utility. Nothing on this page is medical advice, a dosing recommendation, or an endorsement of any compound. We never sell or source compounds and refuse sourcing questions. Consult a qualified clinician for decisions about your health.