What is the half-life of IGF-1 DES?
IGF-1 DES has a reported half life of ~30 minutes, given subcutaneous, often site-specific. That is why it is typically dosed daily, post-workout. 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: ~30 minutes
- Route: Subcutaneous, often site-specific
- Typical schedule: Daily, post-workout
- Cycle length: 4 weeks max
References
- Insulin-like growth factor-I (IGF-I) and especially IGF-I variants are anabolic in dexamethasone-treated rats — Tomas FM, Knowles SE, Owens PC, et al., Biochemical Journal, 1992
- Mechanisms of IGF-1-Mediated Regulation of Skeletal Muscle Hypertrophy and Atrophy — Yoshida T & Delafontaine P, Cells, 2020
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.