Human chorionic gonadotropin (hCG) is a glycoprotein hormone structurally and functionally similar to LH (luteinizing hormone), extensively studied in endocrinology and reproductive research. Researchers employ hCG to investigate gonadal function, testosterone synthesis, and reproductive axis dynamics. hCG binds LH receptors on Leydig cells, triggering testosterone production and spermatogenesis support in male models.
hCG research applications include studies of GH/testosterone interactions, recovery physiology, and endocrine axis modulation. The hormone has demonstrated effects on metabolic function, lean mass preservation, and bone density—outcomes valuable in aging and metabolism research. hCG’s extended half-life and potent gonadotropic activity make it a standard research tool in reproductive endocrinology.
The 5,000 IU formulation provides researchers with a convenient unit size for controlled experimental protocols. hCG experimental parameters vary significantly based on research objectives and model systems. Careful attention to baseline endocrine status and timing within research protocols is essential for valid interpretation.
**Specifications:**
– **Purity:** ≥99% (pharmaceutical-grade, USP standards)
– **Form:** Lyophilized powder
– **Storage:** 2–8°C (refrigerated); -20°C for extended storage
– **CAS#:** 9002-61-3
*For research use only. Not for human consumption.*
Independent Janoshik COA — out for testing, expected July 24, 2026.
Certificate of Analysis: Download COA (PDF) — Tested by Janoshik Analytical




