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📈 Growth Hormone Featured Last updated 2025-12-01

Ipamorelin 5mg Dosage & Mixing Guide

Also known as: NNC 26-0161

Other sizes: 10mg 2mg

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TL;DR

Ipamorelin is a selective growth-hormone secretagogue studied for its targeted stimulation of growth-hormone release. Evidence is largely preclinical and early-stage, with limited human data, so conclusions remain provisional. It is a research compound supplied for laboratory investigation and educational reference only, not for therapeutic or human use.

What is Ipamorelin?

Ipamorelin is a selective growth hormone secretagogue (GHS) and ghrelin mimetic. It is a pentapeptide (5 amino acids) that stimulates GH release by binding to the ghrelin/GHS receptor (GHSR) in the pituitary gland.

What distinguishes Ipamorelin from other GHRPs (Growth Hormone Releasing Peptides) is its selectivity. Research has shown it produces a clean GH pulse with minimal effects on cortisol, prolactin, or appetite — side effects commonly seen with GHRP-2 and GHRP-6.

This selectivity makes Ipamorelin particularly valuable in research applications where isolated GH effects are desired.

Quick Reference

ParameterValue
Peptide Amount5mg
Recommended BAC Water2.5mL
Resulting Concentration2mg/mL (2000mcg/mL)
Typical Research Dose200-300mcg
Frequency2-3x daily
TimingFasted state preferred
Research Duration8-16 weeks

Reconstitution Guide

Materials Needed

  • Ipamorelin 5mg lyophilized vial
  • Bacteriostatic water (BAC water)
  • Insulin syringes (U-100, 29-31 gauge)
  • Alcohol swabs
  • Sharps container

Step-by-Step Instructions

  1. Prepare workspace — Clean environment, gather supplies, wash hands.

  2. Clean vial stoppers — Wipe both vials with alcohol. Let dry completely.

  3. Draw BAC water — Draw 2.5mL bacteriostatic water.

  4. Add to peptide — Inject slowly along inner wall of vial.

  5. Dissolve — Ipamorelin dissolves quickly (1-2 minutes). Gentle swirl only.

  6. Verify clarity — Solution must be clear and colorless.

  7. Label and refrigerate — Date the vial and store immediately at 2-8°C.

Dosage Protocol

Concentration Calculations

With 5mg peptide in 2.5mL BAC water:

  • Concentration: 2mg/mL = 2000mcg/mL
  • Per unit (U-100 syringe): 20mcg per unit

Common Dose Calculations

Desired DoseDraw VolumeSyringe Units
100mcg0.05mL5 units
200mcg0.10mL10 units
300mcg0.15mL15 units

Suggested Research Protocols

Standard Protocol:

  • Dose: 200-300mcg
  • Frequency: 2x daily (morning + bedtime)
  • Duration: 12-16 weeks

Saturation Protocol:

  • Dose: 100mcg
  • Frequency: 3x daily
  • Duration: 8-12 weeks
  • Note: More frequent, lower doses

Combined Protocol (with CJC-1295 no DAC):

  • Ipamorelin: 200mcg
  • CJC-1295 no DAC: 100mcg
  • Frequency: 2-3x daily
  • Duration: 12-16 weeks

Optimal Timing

For maximum GH response:

TimeRationale
Morning (fasted)Low insulin, optimal response
Post-workoutExercise synergy
Before bedAligns with natural GH pulse

Avoid: Within 2 hours of meals (elevated insulin/glucose blunts response)

Injection Guide

Subcutaneous Administration

  1. Wipe injection site with alcohol
  2. Pinch skin fold at abdomen, thigh, or arm
  3. Insert needle at 45-90° angle
  4. Inject slowly
  5. Hold 5 seconds before withdrawing

Site Rotation

Rotate systematically:

  • Abdomen (left/right of navel)
  • Outer thighs
  • Upper arms

Storage Requirements

Lyophilized (Powder)

  • Temperature: -20°C (-4°F) or colder
  • Duration: 2+ years
  • Conditions: Dry, dark environment

Reconstituted

  • Temperature: 2-8°C (36-46°F)
  • Duration: 3-4 weeks
  • Conditions: Refrigerated, protected from light

Research Considerations

Mechanism of Action

Ipamorelin’s selectivity stems from:

  • GHSR binding: Activates ghrelin receptor specifically
  • Dose-dependent response: Linear GH release relationship
  • No cortisol increase: Unlike GHRP-2/GHRP-6
  • No prolactin increase: Clean hormonal profile
  • Minimal appetite stimulation: Unlike other GHRPs

Comparison to Other GHRPs

PeptideGH ReleaseCortisolProlactinHunger
Ipamorelin+++
GHRP-2++++++++
GHRP-6++++++++
Hexarelin+++++++++

Synergistic Combinations

Ipamorelin + GHRH Analog: Research shows combining a GHRP with GHRH produces synergistic GH release:

  • Ipamorelin + Sermorelin
  • Ipamorelin + CJC-1295 (no DAC)
  • Ipamorelin + Mod GRF 1-29

The combination often produces 2-3x the GH response of either alone.

Saturation Dose

Research indicates approximately 100mcg may represent a saturation dose per administration:

  • Higher single doses may not proportionally increase GH
  • Multiple smaller doses throughout day may be more effective
  • Individual response varies

Sourcing for Research

Source from verified suppliers that provide third-party testing and certificates of analysis (COA) for each batch. Compare purity documentation, shipping conditions, and batch traceability before purchasing research materials.

Scientific References

  1. Raun K, et al. “Ipamorelin, the first selective growth hormone secretagogue.” Eur J Endocrinol. 1998;139:552-561.
  2. Johansen PB, et al. “Pharmacokinetics and bioavailability of ipamorelin in beagle dogs.” Eur J Drug Metab Pharmacokinet. 1999;24:65-69.
  3. Anderson LL, et al. “Growth hormone secretagogue receptors.” Vitam Horm. 2005;71:373-402.

Last updated: December 01, 2024

Disclaimer: This information is for educational and research purposes only. Ipamorelin is a research chemical not intended for human consumption. Always follow applicable laws and institutional guidelines.

Research Use Only

Ipamorelin is a research peptide not intended for human consumption.

Frequently Asked Questions

How do I reconstitute Ipamorelin 5mg?
Add 2.5mL BAC water of bacteriostatic water. Inject slowly down the side wall. Gently swirl until dissolved — never shake.
What is the typical dosage for Ipamorelin?
Typical research dosage: 200-300mcg. Frequency: 2-3x daily.
How should I store Ipamorelin?
Lyophilized: -20°C (2+ years). Reconstituted: 2-8°C (3-4 weeks). Protect from light.
What concentration does Ipamorelin 5mg make?
With 2.5mL BAC water BAC water: 2mg/mL. Use our calculator for exact volumes.