Ipamorelin
Quick facts
- Researched for
- Growth-hormone support, deeper sleep, recovery and body-composition goals
- Route or form
- Injection
- Evidence so far
- Human studies back only the growth hormone rise; other uses rest on reports and views.
- Not established
- Human studies have not shown most of the sleep, fat-loss, muscle or recovery claims.
- Commonly researched
- 100 to 200 mcg, once dailyPractitionerSee every range
- Where to get it
- No product link here.See why in Next step
By the Learn Peptides editorial team · Updated · How We Research
What people are researching it for
People are researching Ipamorelin for growth-hormone support, deeper sleep, recovery, and body-composition goals.
Reasons people look into Ipamorelin. An interest is not a promise that it works.
- Injury & recovery
- Gut health
- Weight loss & metabolic
- Body composition & performance
- Sleep
- Skin, hair & tanning
Deeper sleep and recovery top the reports, and many pair it with CJC-1295.
Community reports
Community reports often focus on deeper sleep, recovery, and easier body-composition management. Combination use with CJC no DAC is common.
Community reports
Ipamorelin is almost always used together with another growth-hormone peptide like CJC-1295, and people describe it as the gentlest of the growth-hormone-boosting peptides, mainly for sleep and recovery. A minority use much larger amounts specifically to increase appetite or gut movement, which is closer to how the compound was originally studied.
Studies in human volunteers show it can cause a short rise in growth hormone.
Human volunteer studies show that Ipamorelin can trigger a short rise in .
CJC-1295's usual partner: a clean, selective trigger for a sharp pulse of .
What this is based on
- Human researchStudied in people for this or a related question.
- Community reportsWhat people describe noticing. Not proof of cause.
- Industry perspectiveCommentary from practitioners and the industry, based on experience. Not a study.
- Learn Peptides explanationOur own plain-English summary of the sources. It is not a source itself.
Human studies have not shown most of the sleep, fat-loss, muscle or recovery claims.
Human studies have not established most of the sleep, fat-loss, muscle, or recovery effects people discuss.
Safety notes
Tested in people. How many took part, for how long, and who they were still matter.
- You have trouble breathing or wheezing, or your face, lips, tongue or throat swell.
- You get hives away from the injection site, or feel severely dizzy or faint.
For these signs, call 911 or your local emergency number.
- Consider stopping if gets dangerously high. Industry perspective
- Redness spreads, or heat, swelling or pain keeps growing where you injected.
- A lump keeps growing or does not go away, or you see pus or red streaks.
- You have a fever or chills, or feel sick all over.
- Be careful with active cancer since peptides could theoretically make it worse. Industry perspective
- Avoid during pregnancy, breastfeeding, or with severe untreated sleep apnea (treat the apnea first). Industry perspective
- Banned in drug-tested sport.
- Some studies link higher levels to a moderately higher risk of some cancers: prostate, breast before menopause, and colorectal. The link is debated. The cited commentary says about as many studies show it as do not. Industry perspective
Shows 3 practitioner ranges, including one for use with CJC-1295.
Commonly researched ranges, and how they were measured.
Commonly researched range for Ipamorelin
100 to 200 mcg
once daily · Injection
Practitioner
All 3 ranges in our record
Each one is labeled with where it comes from. They are different ways of using Ipamorelin, not steps to follow in order.
Standard, general optimization (tier 1)
Practitioner- Amount per dose
- 100 to 200 mcg
- How often
- Once daily. Before bed.
- Typical schedule
- 12 weeks on, 2-week break; or 5 days on, 2 days off
- Route
- Injection
Performance and body composition (tier 2)
Practitioner- Amount per dose
- 200 to 300 mcg
- How often
- Two to three times daily. Pre-bed dose is most important; can add pre/post training.
- Typical schedule
- Not stated
- Route
- Injection
Stacked with CJC-1295 no-DAC (1:1 ratio)
Practitioner- Amount per dose
- 150 to 300 mcg
- How often
- Once daily. Pre-bed.
- Typical schedule
- Not stated
- Route
- Injection
These ranges were last reviewed Sep 2026.
Check your syringe math with your own numbers.
It prompts growth hormone release and is often paired with CJC-1295.
Ipamorelin is discussed as the compound that amplifies CJC-1295: on its own it also prompts release, but paired together the two are described as producing a stronger, more natural-feeling pulse than either alone. It's noted for being selective, not meaningfully raising cortisol or appetite the way older compounds in this category could.
Next step
No partner product
We have no US Precision Peptides listing for Ipamorelin, so there is no product link. That says nothing about the research.
About product links
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