How long does CJC-1295 (no DAC) take to work?
In the first week of CJC-1295 (no DAC), stronger GH pulse felt as deeper sleep, more vivid dreams. Around week 4, recovery and skin improvements compound. By week 8, iGF-1 measurably higher in most users. Response varies between people, this is the commonly reported pattern, not a guarantee.
Week by week
- Week 1: Stronger GH pulse felt as deeper sleep, more vivid dreams.
- Week 4: Recovery and skin improvements compound.
- Week 8: IGF-1 measurably higher in most users.
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.