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Hexarelin

Research Use Only
peptideInjection

The most potent GH-releasing peptide, producing the biggest growth hormone spike in its class. Also has cardioprotective benefits. Tolerance builds faster than other options.

Key Facts

  • Classification
    Peptide — The most potent GH-releasing peptide. Produces the biggest GH spike but tolerance builds quickly.
  • Primary Benefits
    Muscle Growth (7/10) · Fat Loss (5/10) · Injury Healing (5/10)
  • Administration
    Injection
  • Typical Dose
    100-200 mcg subq 2-3 times daily. Keep cycles short -- 4-8 weeks max -- because your body stops responding as well over time.
  • Evidence Strength
    Moderate — 20 peer-reviewed studies referenced · Community sentiment 7/10
  • Stacks Well With
    CJC-1295 (no DAC) / Mod GRF 1-29
  • Legal Status
    Research Use Only · not prescribable in US · WADA prohibited

Quick Facts

From price
$28
Type
peptide
Administration
Injection
Evidence
moderate
Studies referenced
20
Community sentiment
7/10
Stacks with
1 peptide
Regulatory
Research Use Only

Top benefits

💪 Muscle Growth
7/10
🔥 Fat Loss
5/10
🩹 Injury Healing
5/10
View PricingCompare
1

Week 1–2

Strongest GH release of any GHRP. Improved sleep. Significant appetite increase. Cortisol and prolactin elevation likely.

2

Week 3–6

Rapid body composition changes. Strong recovery enhancement. Most potent of GHRPs for GH release but with most side effects.

3

Week 8+

Significant desensitization likely at this point. Benefits plateau. Not recommended for extended use.

Common Side Effects

Strong appetite increaseCortisol elevationProlactin elevation (significant)Water retentionLethargyJoint pain
Tolerance: Significant after 4-8 weeks — pronounced pituitary desensitization
Cycling: 4-6 weeks on, 4-6 weeks off. Short cycles only due to desensitization. Not ideal for long-term use.

Dosing

100-200 mcg subq 2-3 times daily. Keep cycles short -- 4-8 weeks max -- because your body stops responding as well over time.

Benefit Profile

💪 Muscle Growth
7/10
🔥 Fat Loss
5/10
🩹 Injury Healing
5/10
⏳ Longevity
3/10
Medical oversight strongly recommendedNot safe during pregnancy· 4 contraindications