Specification
Purity>99% (HPLC + MS)
FormLyophilised powder
Supplied asSingle sealed vial
Storage-20 °C, dark, sealed
Reconstituted2–8 °C
Certificate of analysis
Scan the QR code on your vial, or type the batch number, and you get the analytical data for the exact vial you received.
Verify your vial →HCG (Human Chorionic Gonadotropin)
Human chorionic gonadotropin
A heterodimeric glycoprotein hormone that acts on the shared LH/hCG receptor — the standard probe for Leydig cell function.
Research use only. This compound is supplied for laboratory research. It is not a medicine or supplement, is not approved for human use, and no dosing guidance for humans is offered here or by our team. Handle under appropriate laboratory conditions. Full disclaimer →
What the literature describes
hCG shares an alpha subunit with LH, FSH and TSH, with a distinct beta subunit and a long C-terminal peptide that gives it a substantially longer circulating half-life than LH. It binds the LH/hCG receptor on Leydig cells with high affinity. In published human work a single 1500 IU injection raised plasma testosterone for at least 96–120 hours with peak values at about 72 hours, and repeat injections within 48 hours of a first dose produced no additional Leydig-cell stimulation. Standardised hCG stimulation testing remains a clinical tool for assessing Leydig cell reserve.
Available sizes & pricing
Price is per single sealed vial, in USD. Buying several — volume pricing.
| Vial strength | Price | |
|---|---|---|
| 1000iu | $78.40 | Order 1000iu |
| 2000iu | $92.40 | Order 2000iu |
| 5000iu | $221.20 | Order 5000iu |
| 10000iu | $280 | Order 10000iu |
Published research
Links open peer-reviewed sources on PubMed. These are provided so you can read the primary literature yourself. Citing a study is not a claim that this compound is safe or effective for any use in humans.
- Leydig cell responsiveness to single and repeated human chorionic gonadotropin administrationPubMed
- In vivo chorionic gonadotropin administration reverses the testosterone secretory defect of Leydig cells from old ratsPubMed
- hCG stimulation test in prepubertal children can accurately predict Leydig cell function in pubertal or postpubertal adolescentsPubMed
- Published literature on HCG (Human Chorionic Gonadotropin) (PubMed)PubMed search
Research areas
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