Buserelin vs Leuprolide

Head-to-head comparison of Buserelin (Buserelin acetate) and Leuprolide (Leuprolide acetate) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyBuserelinLeuprolide
CategorySexual HealthSexual Health
Full NameBuserelin acetateLeuprolide acetate
Molecular Weight1239.39 Da1209.39 Da
Half-Life~50-80 minutes~3 hours; depot lasts weeks
Amino Acids99
Typical Dose200 mcg intranasal 3x daily|0.2-0.5 mg SC daily|depot per protocol0.1 mg SC daily|3.75 mg IM monthly|11.25 mg depot per protocol
RouteIntranasal/SubcutaneousSubcutaneous/Intramuscular
Purity≥98%≥98%
Studies Count4501200
Research StatusClinicalClinical

Buserelin Benefits

  • ✓pituitary down-regulation
  • ✓cycle synchronization
  • ✓ovarian stimulation control
  • ✓fertility protocol timing

Leuprolide Benefits

  • ✓pituitary suppression
  • ✓cycle synchronization
  • ✓ovarian stimulation timing
  • ✓endometriosis-related reproductive care

Buserelin Dosing

200 mcg intranasal 3x daily|0.2-0.5 mg SC daily|depot injection per protocol

Leuprolide Dosing

0.1 mg SC daily|3.75 mg IM monthly depot|11.25 mg 3-month depot

Buserelin Side Effects

  • ⚠hot flashes
  • ⚠headache
  • ⚠initial LH/FSH flare

Leuprolide Side Effects

  • ⚠hot flashes
  • ⚠decreased libido
  • ⚠injection-site reactions

Research Overview

Buserelin

Buserelin has been studied extensively as a GnRH agonist in IVF down-regulation and other reproductive-endocrine protocols. Its use helped establish modern cycle-control approaches in assisted reproduction.

Leuprolide

Leuprolide is one of the best-studied GnRH analogs in reproductive medicine and assisted reproduction. It produces an initial flare followed by receptor desensitization and reduced LH/FSH output.

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Common Stacking Partners

Buserelin stacks with:

FSHhCG

Leuprolide stacks with:

FSHhCG
GnRH-agonistfertilityivfassisted-reproduction