HCG: What the Research Says About Human Chorionic Gonadotropin
HCG, or human chorionic gonadotropin, is a hormone with a distinctive role in reproductive research because it mimics one of the body's own key signalling molecules. This overview explains what HCG is and what the research describes, strictly for educational and research context.
What HCG actually is
HCG is a glycoprotein hormone naturally produced during pregnancy. Its research interest comes from its close structural and functional resemblance to luteinizing hormone (LH): HCG activates the same LH receptor, which makes it a powerful tool for studying gonadal signalling.
What the research explores
Because it acts like LH, HCG has been studied for its ability to stimulate gonadal function — including testosterone production in males and ovulation pathways in females. It is a long-standing reference compound in reproductive-endocrinology and fertility research, often examined alongside the upstream signalling peptide kisspeptin.
Handling and preparation
HCG is supplied as a lyophilised powder, kept cold and protected from light, then reconstituted for laboratory work. Our reconstitution guide and the on-site peptide calculator walk through preparing a solution and calculating concentration. Every batch ships with a per-batch Certificate of Analysis.
Important context
This article summarises published research for educational purposes only. HCG is supplied strictly for laboratory and research use only — not for human or veterinary use, consumption, or injection. Nothing here is medical advice, a recommendation, or a dosing protocol.
The bottom line
HCG is a glycoprotein hormone that activates the LH receptor, studied as a tool for stimulating gonadal signalling in reproductive research. As with everything we carry, our HCG comes with full batch documentation and a verifiable COA.
Research use only. Educational content, not medical advice.