How to reconstitute GHRP-2: mixing and storage

A peptide that releases growth hormone and can increase hunger.

Also called: Pralmorelin, KP-102, GPA-748.

Growth hormone secretagogues (ghrelin receptor) · Ghrelin receptor agonist and growth hormone secretagogue.

Comes as: Lyophilized powder in community vials, Japanese 100 mcg diagnostic vial, Nasal spray and oral preparations studied separately.

Mixed with: Community replies use bacteriostatic water. The Japanese diagnostic vial uses 10 mL saline immediately before IV use..

Common vial sizes: 5 mg. Common water amounts: 2.5 mL.

  • The 5 mg/2.5 mL example is community-reported, not the Japanese diagnostic formulation.
  • The Japanese product is kept below 10°C without freezing and protected from light; use promptly after mixing.
  • Japanese label stability information cannot be transferred to unknown community formulations.

Before mixing: Community users refrigerate vials; no validated shelf life for unregulated products was found.

After mixing: Users refrigerate mixed vials. No general home-vial beyond-use period is established.

Related to GHRP-2

Sources

Sources checked: 2026-10-18.

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