What is the half-life of Follistatin 344?
Follistatin 344 has a reported half life of ~hours (poorly characterized), given subcutaneous. That is why it is typically dosed daily. A shorter half life means more frequent dosing to keep blood levels steady, a longer one lets you space doses further apart.
Quick facts
- Half-life: ~hours (poorly characterized)
- Route: Subcutaneous
- Typical schedule: Daily
- Cycle length: 10-30 days max
References
- Long-term enhancement of skeletal muscle mass and strength by single gene administration of myostatin inhibitors — Haidet AM, Rizo L, Handy C, et al. (incl. Mendell JR, Kaspar BK), PNAS, 2008
- Follistatin gene delivery enhances muscle growth and strength in nonhuman primates — Kota J, Handy C, Haidet AM, et al. (incl. Kaspar BK), Science Translational Medicine, 2009
- A phase 1/2a follistatin gene therapy trial for Becker muscular dystrophy — Mendell JR, et al., Molecular Therapy, 2015 (NCT01519349)
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-06.