Macimorelin

Also known as: Macrilen, AEZS-130

Oral ghrelin mimetic used as a diagnostic agent for adult GH deficiency. Stimulates GH release via GHS-R1a.

Typical dose

35 mg

Frequency

as needed

Route

Oral

Half-life

4.1 hours

Routes

Oral

Status

FDA-approved (diagnostic)

Benefits

• GH stimulation test
• Diagnostic for GH deficiency
• Oral administration

Dosing

A common research range for Macimorelin is 35 mg as needed. These figures are reference points from published literature, not a prescription — your protocol should be set with a licensed provider.

Half-life

Macimorelin has an approximate half-life of 4.1 hours. Vial can display informational half-life estimates when supported data is available. These estimates are not measured blood concentrations or dosing instructions.

Storage

Room temperature.

Reported side effects

• Dysgeusia
• Dizziness
• Headache
• Nausea

Contraindications

• QT-prolonging medications

Track Macimorelin with Vial

Vial logs every Macimorelin dose, organizes your schedule, and offers reconstitution math and supported half-life estimates. Tracking records stay on your device. A Vial Pro subscription is required. Download Vial on the App Store →

This page is for educational and harm-reduction purposes only. Macimorelin is not FDA-approved for most uses described here. Always consult a licensed physician before starting any peptide protocol. Vial does not sell peptides, recommend vendors, or provide medical advice.