Dosage Guide 7 min read

Ipamorelin Dosage Guide: Vial Reconstitution, Injection Volumes, and GH Protocol

Step-by-step guide to ipamorelin reconstitution, injection volume calculations, and standard research dosing protocols for growth hormone secretagogue research.

By KnowYourPeptide Research Team
Doctor Reviewed
April 10, 2026

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Ipamorelin is the most selective growth hormone secretagogue (GHS) available for research, producing robust GH pulses with minimal cortisol or prolactin elevation. This guide covers practical reconstitution and dosing for research protocols.

What Vials Typically Come In

Ipamorelin research vials are most commonly available in:

  • 2 mg vials
  • 5 mg vials
  • 10 mg vials (for combination protocols)

How to Reconstitute Ipamorelin

Standard reconstitution for a 2 mg vial:

1. Clean rubber stopper with alcohol swab; allow to dry

2. Draw 1–2 mL bacteriostatic water into a syringe

3. Inject water slowly down the vial wall (do not aim at the powder)

4. Swirl gently — do not shake

5. Allow 2 minutes for complete dissolution

Concentration examples:

  • 2 mg + 1 mL BW → 2000 mcg/mL
  • 2 mg + 2 mL BW → 1000 mcg/mL
  • 5 mg + 2 mL BW → 2500 mcg/mL

The 2000 mcg/mL concentration (2 mg in 1 mL) is popular, providing 10–15 injections per vial at standard 100–200 mcg doses.

Standard Research Dosage Ranges

ProtocolDoseFrequency
Standard GH stimulation100–200 mcg1–3x daily
Combined with GHRH analogue100–200 mcg1–2x daily
Maximum GH response200–300 mcg2–3x daily

Most referenced research protocol: 200 mcg subcutaneous, once daily at bedtime, often combined with CJC-1295 or sermorelin.

Injection Volume Table

Using a 2000 mcg/mL reconstituted solution (2 mg in 1 mL BW):

Target DoseVolume to Inject
100 mcg0.05 mL (5 units)
150 mcg0.075 mL (7.5 units)
200 mcg0.10 mL (10 units)
250 mcg0.125 mL (12.5 units)
300 mcg0.15 mL (15 units)

Use the Dose Calculator to calculate volumes for any concentration or target dose.

Frequency, Timing, and Cycle Length

  • Timing: Bedtime injection is preferred to amplify natural nocturnal GH pulse; pre-workout timing used in some protocols
  • Fasting: Best administered fasted or 90+ minutes after the last meal; carbohydrate-rich meals blunt GH response
  • Cycle length: Studies up to 12 months; 3–6 months is the most common research duration
  • Cycling: Ipamorelin shows minimal receptor desensitization — continuous protocols are used without the "on/off" cycling needed for some GHS compounds

Combination with GHRH Analogues

Ipamorelin is most commonly co-administered with a GHRH analogue:

  • CJC-1295 (Mod GRF 1-29) + Ipamorelin: Inject simultaneously at the same site or separate sites
  • The combination produces GH pulses 3–5x greater than either alone

Storage

  • Lyophilised vials: -20°C
  • After reconstitution: 2–8°C; use within 28 days
  • Avoid freeze-thaw cycles

Calculate Your Exact Injection Volume

Use our free dose calculator — enter any vial size and target dose to get the precise volume to draw up.

About the Author

KR

KnowYourPeptide Research Team

KnowYourPeptide Research Team

Content produced by the KnowYourPeptide research and editorial team. All articles are written from peer-reviewed primary literature and reviewed for scientific accuracy by credentialed researchers and a board-certified physician before publication.

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Medically Reviewed by Dr. Amanda Reid, MD

This article has been reviewed by Dr. Amanda Reid, MD (Board-Certified Internal Medicine), Know Your Peptide Medical Advisor, for scientific accuracy, safety information, and appropriate clinical context. Learn about our review process.

Research Profiles Referenced in This Article