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Ipamorelin (5mg)

Table of Contents

  • Quickstart Highlights

Ipamorelin (5mg) protocols focus on this selective growth hormone secretagogue peptide that stimulates natural growth hormone release from the pituitary gland. Unlike older GH-releasing peptides, Ipamorelin is known for its targeted action on ghrelin receptors with minimal impact on cortisol or prolactin levels. It is commonly used in research settings for recovery, body composition support, and anti-aging-related pathways. This guide outlines a subcutaneous administration approach optimized for the 5 mg vial format.

  • Reconstitute: Add 2.0 mL bacteriostatic water → 2.5 mg/mL concentration
  • Typical daily range: 200–300 mcg once or twice daily (subcutaneous)
  • Easy measuring: At 2.5 mg/mL, 1 unit = 0.01 mL = 25 mcg on a U-100 insulin syringe
  • Storage: Lyophilized: store at −20 °C; after reconstitution, refrigerate at 2–8 °C and use within 2–4 weeks
  • Protocol Overview

Concise summary of the subcutaneous regimen.

  • Goal: Support natural growth hormone release to aid recovery, metabolism, and body composition
  • Schedule: Daily subcutaneous injections, typically 1–2 times per day
  • Dose Range: 200–300 mcg per dose
  • Dosing Protocol

Suggested approach for the 5 mg vial format.

  • Start: 100–200 mcg once daily to assess tolerance
  • Target: 200–300 mcg once or twice daily
  • Frequency: 1–2 times per day (subcutaneous)
  • Vial Duration: One 5 mg vial lasts approximately 8–25 days, depending on dosing
  • Timing: Often used in the morning and/or before bed for the best GH pulse alignment
  • Mechanism of Action

Ipamorelin is a selective growth hormone secretagogue that binds to the ghrelin receptor (GHS-R1a) in the pituitary gland and hypothalamus. This stimulates the natural pulsatile release of growth hormone without directly increasing cortisol or prolactin in typical research observations.

The increased growth hormone signaling may indirectly support insulin-like growth factor-1 (IGF-1) production in the liver, which plays a key role in tissue repair, muscle growth, fat metabolism, and recovery. Its selectivity makes it one of the more targeted GH-releasing peptides studied in preclinical and early research contexts.

  • Potential Benefits & Side Effects

Observations based on preclinical and early-stage research.

Potential Benefits:

  • May support natural growth hormone release
  • May aid recovery from training or injury
  • May support fat metabolism and lean muscle preservation
  • May improve sleep quality in some research settings

Possible Side Effects:

  • Mild headache or flushing
  • Temporary hunger increase due to ghrelin receptor activity
  • Water retention in some cases
  • Injection-site irritation
  • Long-term human safety data remain limited; investigational use only