What is the half-life of CJC-1295 (no DAC)?
CJC-1295 (no DAC) has a reported half life of ~30 min (no DAC), given subcutaneous. That is why it is typically dosed 1-3x daily, paired with Ipamorelin. 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 min (no DAC)
- Route: Subcutaneous
- Typical schedule: 1-3x daily, paired with Ipamorelin
- Cycle length: 8-12 weeks on, 4 weeks off
References
- Prolonged stimulation of GH and IGF-I secretion by CJC-1295 — Teichman SL et al., JCEM, 2006
- Human growth hormone-releasing factor (hGRF)1-29-albumin bioconjugates activate the GRF receptor on the anterior pituitary in rats: identification of CJC-1295 as a long-lasting GRF analog — Jetté L et al., Endocrinology, 2005
- Injectable Peptides in Sports Medicine: A Structured Narrative Review of Evidence, Safety, and Antidoping Implications — Villegas Meza AD et al., JBJS Reviews, 2026
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.