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Sexual and reproductive health

Gonadorelin

Also called GnRH, LHRH, Factrel

InjectableEvidence AEvery day
Half-life
0.1hours
Typical vial
2 / 5mg
Research amounts
5–100mcg

per administration

Common schedule
Every day
Tested in people

A human trial worked out how much to take and how often, so a dosing schedule is shown.

Licensed as a medicine in the US and EU.

Work out your draw

These numbers are a starting point — change any of them.

3 mL cartridge · 300 units loaded1units dialled
Concentration
0.67mg/mL
Volume per draw
0.01mL

Requested 0.008 mL

Units to dial
1

Requested 0.75

Doses per cartridge
300

0.75 units is between clicks. The nearest setting is 1, which delivers 6.7 mcg instead of 5 mcg.

Vial label

Copy this into your label printer.

Published research contexts for Gonadorelin describe 5100 mcg per administration. Descriptive only, not a recommendation.

Only a few minutes in plasma, so any curve here is a brief spike.

A gonadotropin-releasing hormone (the natural decapeptide), licensed as a medicine and given either as a single dose for a pituitary challenge or in small pulses from a pump every 60–120 minutes. Neither pattern is a standing subcutaneous escalation, so no schedule table is shown.

Modelled level — every day

1× is the peak after a single dose.

Steady-state peak
0.97× single dose

Read off the modelled curve, not an even-interval formula

Time to steady state
1hours

About five half-lives

Administrations
7/ week

Where these numbers come from

  • Gonadorelin (Factrel / Lutrepulse) product literatureThe licensed decapeptide is used as a single pituitary-challenge dose or as pulsatile microdoses; no daily subcutaneous schedule is established.

Next steps

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