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Ipamorelin: uses, dosing & the facts

A growth hormone releasing peptide (GHRP) that stimulates natural growth hormone production without significantly increasing cortisol or prolactin. This is an evidence-graded reference — what it is, what it's used for, typical reported dosing, half-life, side effects, and how to track it. It is educational, not medical advice or a recommendation to use a research compound.

Status
Research use only · not FDA-approved. Reported dosing below reflects community-discussed patterns, presented for information only — not a dose recommendation. For the US regulatory picture on research peptides, see the 2026 FDA compounding status.
Class
GHRP · GH secretagogue
Used for
Growth hormone optimization
Half-life
Approximately 2 hours
Status
Research use only
TL;DR

What Ipamorelin is

A growth hormone releasing peptide (GHRP) that stimulates natural growth hormone production without significantly increasing cortisol or prolactin.

What Ipamorelin is used for

These are reported/community uses, not proven clinical outcomes. Most research peptides have limited human trial data behind such claims.

Typical reported dosing

InjectableBeginner: 100mcg once daily in the morning on empty stomach. Intermediate: 100-200mcg twice daily. Advanced: 200-300mcg 3 times daily. Often combined with CJC-1295 for synergistic effects.

Presented as commonly-reported patterns for information only — not a dose recommendation. Ipamorelin dosing is a decision for a qualified clinician.

Reconstitution

Reconstitute 5mg vial with 2mL BAC water. 100mcg = 4 units, 200mcg = 8 units, 300mcg = 12 units. The arithmetic is the same for any peptide: concentration = vial mg ÷ water mL, and on a U-100 syringe 100 units = 1 mL. Compute your own vial with the reconstitution calculator.

Half-life & cycling

Half-life: Approximately 2 hours. Half-life drives dosing frequency and how quickly the compound clears — see it plotted on the half-life visualizer.

Cycling

Typical cycles: 8-12 weeks on, 4 weeks off. 5 days on, 2 days off usually strongly recommended to prevent receptor desensitization. Monitor for 1-2 weeks to assess tolerance.

Side effects & warnings

Inject on empty stomach for best results. Avoid food 2 hours before and after injection. Differing opinions on whether morning or night dosing is preferred to align with natural GH secretion patterns.

Not a prescription, a dose, or a sourcing guide. Ipamorelin is a research compound; safety and efficacy in humans are not fully established, and research-grade material has no guarantee of purity, sterility, or stated strength. OptiPin is a tracking tool and does not recommend using research chemicals. Discuss any peptide with a qualified clinician.

Tracking Ipamorelin in OptiPin

If you're tracking a Ipamorelin protocol, OptiPin logs each dose with reminders and site rotation, charts the outcome you care about over your dose timeline, keeps per-vial inventory with runout warnings, and (where relevant) does the reconstitution math — all on-device, no account.

Track it properly

Log doses, outcomes & vials in OptiPin

Reminders, outcome-over-dose charts, vial runout warnings, and built-in reconstitution math — all on-device.

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FAQ

What is Ipamorelin?

A growth hormone releasing peptide (GHRP) that stimulates natural growth hormone production without significantly increasing cortisol or prolactin.

What is Ipamorelin used for?

Commonly discussed uses include: growth hormone optimization, muscle recovery and repair, fat loss, anti-aging effects, improved sleep quality, better skin and hair health. These are reported uses, not proven outcomes or a recommendation.

How is Ipamorelin dosed?

Commonly reported dosing: Injectable — Beginner: 100mcg once daily in the morning on empty stomach. Intermediate: 100-200mcg twice daily. Advanced: 200-300mcg 3 times daily. Often combined with CJC-1295 for synergistic effects.. This reflects patterns discussed in the community and is presented for information only, not as a dose recommendation — Ipamorelin is not an approved medicine and dosing should involve a qualified clinician.

How do you reconstitute Ipamorelin?

Reconstitute 5mg vial with 2mL BAC water. 100mcg = 4 units, 200mcg = 8 units, 300mcg = 12 units. On a U-100 syringe, 100 units = 1 mL. Concentrations vary by vial, so compute from your own vial with a reconstitution calculator.

What is Ipamorelin's half-life?

Approximately 2 hours. Half-life shapes how often it is dosed and how quickly it clears.

What are Ipamorelin's side effects?

Reported effects include: minimal side effects, possible mild flush sensation, rare mild hunger increase. Because it is a research compound, its safety profile is not fully characterized; discuss risks with a clinician.

Educational only, not medical advice. Ipamorelin is a research compound and is not an approved medicine for the uses described. OptiPin is a tracking tool and does not provide dosing or treatment advice. Discuss any peptide with a qualified clinician.

Evidence & further reading

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