Can you take CJC-1295 and IGF-1 LR3 together?
Yes, with care — this combination needs a precaution.
CJC-1295 and IGF-1 LR3 can be taken together, but the combination needs a precaution.
Why these two interactSources for why these two interact: Jumps to this entry in the sources and references list at the end of the page.
A GH secretagogue plus exogenous IGF-1 pushes the same GH/IGF-1 axis from two directions; redundant and can overstimulate with feedback effects.
What to do about itSources for what to do about it: Jumps to this entry in the sources and references list at the end of the page.
Treat as same-axis stacking; needs provider oversight and a clear rationale.
TimingSources for timing: Jumps to this entry in the sources and references list at the end of the page.
No fixed separation window applies here. Keep the timing consistent day to day so any effect is easy to spot.
The two items in this pair
Check your whole routine, not just this pair
One pair rarely tells the whole story. DoseRoutine checks every combination in your stack at once — supplements, TRT, peptides, GLP-1s and prescriptions — and schedules the doses so timing conflicts like this one are handled automatically.
Frequently asked
Sources cited on this page
Specific documents referenced by the numbered markers above.
- Prolonged stimulation of GH and IGF-I secretion by CJC-1295, a long-acting analog of GHRH, in healthy adults(opens in a new tab)PubMed — National Library of Medicine · pubmed.ncbi.nlm.nih.gov/16352683/
- Activation of the GH/IGF-1 axis by CJC-1295, a long-acting GHRH analog(opens in a new tab)PubMed — National Library of Medicine · pubmed.ncbi.nlm.nih.gov/19386527/
- The safety and efficacy of growth hormone secretagogues(opens in a new tab)PubMed — National Library of Medicine · pubmed.ncbi.nlm.nih.gov/28400207/
Verify at
This assessment is mechanism-based. These publisher search links let you check it against the current evidence — they are not citations, so they are not numbered.
- PubMed: CJC-1295 + IGF-1 LR3(publisher search, opens in a new tab)National Library of Medicine · publisher search
- DailyMed label: CJC-1295(publisher search, opens in a new tab)U.S. National Library of Medicine · publisher search
- DailyMed label: IGF-1 LR3(publisher search, opens in a new tab)U.S. National Library of Medicine · publisher search
- Cochrane Library(publisher search, opens in a new tab)Cochrane · publisher search
Related combinations
Educational information only, not medical advice. DoseRoutine does not diagnose or treat. Talk to your prescriber before starting, stopping or combining anything — especially if you take prescription medication or are pregnant or breastfeeding.