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    Growth Hormone / IGF-1 AxisPhase II

    GHRP-2 Dosage Guide: Protocols, Calculator & Safety

    Everything you need to know about GHRP-2 dosing — protocols, safety, and where to buy.

    Dose Range

    100–300 mcg per injection

    Frequency

    1–3 times daily; bedtime injection most important

    Cycle Length

    8–12 weeks with 4-week breaks

    Half-Life

    ~1 hour

    Administration Routes

    SubcutaneousIntramuscularIntranasal

    Quick Reconstitution Calculator

    Calculate syringe units instantly

    Syringe Draw

    10.0 units

    2500 mcg/ml · 0.100 ml draw

    Full Tool

    Dosing Protocols

    Beginner
    100 mcg subcutaneous at bedtime on empty stomach for 8 weeks.
    Standard
    150–200 mcg subcutaneous 2x/day (morning fasted + bedtime) for 12 weeks. Pair with CJC-1295 100 mcg.
    Advanced
    200–300 mcg subcutaneous 3x/day with CJC-1295 for maximum GH output. Monitor cortisol and prolactin.

    Weight-Based Dosing

    1–2 mcg/kg per injection. Saturation dose ~100–200 mcg for most.

    Commonly Stacked With

    Combine with CJC-1295 for amplified GH output. Cortisol management is important on extended GHRP-2 protocols — consider phosphatidylserine supplementation.

    Side Effects & Safety

    Increased hunger, water retention, numbness/tingling, joint stiffness, head rush after injection, mild cortisol elevation. Rare: elevated prolactin at high doses.

    Contraindications

    Active cancer. Pituitary disorders. Diabetes (monitor glucose). Pregnancy or breastfeeding.

    Check interactions with the Interaction Checker →

    Additional Notes

    Inject on empty stomach. Strongest GH releaser of the GHRPs but with more side effects than Ipamorelin. Causes noticeable hunger increase ~15 minutes after injection.

    Where to Buy GHRP-2

    Compare 1 listing across 1 vendor — from $29.99

    Frequently Asked Questions

    What is the recommended GHRP-2 dosage?

    The typical dose range for GHRP-2 is 100–300 mcg per injection. It is usually administered 1–3 times daily; bedtime injection most important. Always start with the lowest effective dose.

    How often should I take GHRP-2?

    1–3 times daily; bedtime injection most important

    Does GHRP-2 need to be cycled?

    Yes, typical cycle length is 8–12 weeks with 4-week breaks.

    What are GHRP-2 side effects?

    Increased hunger, water retention, numbness/tingling, joint stiffness, head rush after injection, mild cortisol elevation. Rare: elevated prolactin at high doses.

    Where can I buy GHRP-2?

    Compare 1 listings from 1 vendor on our price comparison page — starting from $29.99.

    GHRP-2 Full Profile

    Research data, mechanisms, and pricing

    Interaction Checker

    Check drug & compound interactions

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