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GHRP-1

Also known as: Growth Hormone Releasing Peptide 1

Growth HormonePRECLINICAL

Clinical Status

Preclinical — early generation GHRP, limited research.

Mechanism of Action

First-generation synthetic hexapeptide that binds ghrelin receptors in the pituitary to stimulate GH release. Less potent and selective than later-generation GHRPs like GHRP-2 and Ipamorelin.

Dosing Defaults

Dose

100-300 mcg

Frequency

2-3x daily

Administration

Subcutaneous injection

Timing

Before bed (fasted)

Food

fasted

Duration

8-12 weeks

Dose range: 100-500 mcg per dose

Fasted state maximizes GH response.

Side Effects

  • •Increased appetite
  • •Water retention
  • •Headache
  • •Nausea
  • •Elevated cortisol

Contraindications & Warnings

  • ⚠Active malignancy
  • •Not medical advice
  • •Limited human data

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Related Growth Hormone Peptides

Ipamorelin

PHASE 2
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Selective GH secretagogue. Considered one of the safest GHRPs.

CJC-1295

PHASE 2
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Synthetic GHRH analog that stimulates GH release from the pituitary.

CJC-1295 DAC

PHASE 2
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Long-acting version of CJC-1295 with extended half-life via albumin binding.

Tesamorelin

FDA APPROVED
Growth Hormone

FDA-approved GHRH analog for visceral fat reduction in HIV lipodystrophy.

This information is for educational purposes only and is not medical advice. Dosing data is based on research literature and community reports. Always consult a qualified healthcare provider before using any peptide.