Product Usage: This PRODUCT IS INTENDED AS A RESEARCH CHEMICAL ONLY. This designation allows the use of research chemicals strictly for in vitro testing and laboratory experimentation only. All product information available on this website is for educational purposes only. Bodily introduction of any kind into humans or animals is strictly forbidden by law. This product should only be handled by licensed, qualified professionals. This product is not a drug, food, or cosmetic and may not be misbranded, misused or mislabeled as a drug, food or cosmetic

HCG
HCG
$87.00 – $131.00Price range: $87.00 through $131.00 Select options
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HCG

Price range: $87.00 through $131.00

Research-grade HCG (Human Chorionic Gonadotropin) is a recombinant or synthetic glycoprotein hormone (α + β subunits, 237 amino acids total), designed for controlled investigations of LH receptor activation, testosterone production, ovulation induction, and hypothalamic–pituitary–gonadal (HPG) axis regulation.

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HCG is a heterodimeric glycoprotein hormone naturally produced by the placenta during pregnancy. Its β-subunit shares 85% homology with luteinizing hormone (LH) and binds the same LH/CG receptor (LHCGR) on Leydig and theca cells to stimulate testosterone and progesterone synthesis. FDA-approved since the 1960s for fertility treatment, cryptorchidism, and hypogonadism (as Pregnyl®, Novarel®, Ovidrel®), it is the gold-standard research tool for reproductive endocrinology and gonadotropin signaling. This research-grade lyophilized powder (recombinant or urinary-derived) is synthesized/extracted under strict quality controls and provided with full analytical documentation.

Key Scientific

  • High-purity HCG (≥ 99% by HPLC/SDS-PAGE, acetate or sodium chloride salt form)
  • Verified full α (92 aa) + β (145 aa) heterodimer with correct glycosylation and disulfide bonds
  • Lyophilized formulation for maximum long-term stability
  • Full Certificate of Analysis (COA) with HPLC, SDS-PAGE, bioactivity (Leydig cell testosterone assay), and endotoxin testing
  • Manufactured in GMP-aligned, ISO-compliant facilities
  • Ideal for LH receptor signaling, steroidogenesis, fertility, and HPG axis research

Research-Referenced Attributes (Based on scientific literature & clinical use; not therapeutic claims.)

  • Potent LH receptor agonist → rapid testosterone surge in males and ovulation trigger in females
  • Sustained half-life (~24–36 hours) vs. LH (~20 minutes) due to high sialylation
  • Diagnostic gold standard for Leydig cell function and hypogonadism classification
  • Stimulates spermatogenesis and ovarian steroidogenesis in fertility protocols
  • Used in bodybuilding/post-cycle therapy research for HPG axis recovery (off-label)
  • Valuable in male/female infertility, cryptorchidism, and gonadotropin deficiency models

Why Researchers Choose Nationwide Peptides HCG

  • Exact clinical-sequence match to FDA-approved Pregnyl®/Ovidrel® (recombinant)
  • Highest documented bioactivity (IU/mg) among research suppliers
  • Transparent analytical data (HPLC/SDS-PAGE + in vitro testosterone assay)
  • Trusted by reproductive endocrinology, andrology, and fertility laboratories
  • Competitive research pricing with bulk options

Storage & Handling

  • Store lyophilized powder at –4 °F (long-term) or 39.2 °F (short-term)
  • Store in a tightly sealed container and protect from light, moisture, air exposure, and elevated temperatures.
  • Reconstitute only with bacteriostatic water or sterile saline (typical concentration 1,000–10,000 IU/mL)
  • Reconstituted solutions stable at 39.2°F for up to 30–60 days (depending on preservative)
  • Use appropriate PPE and aseptic technique

Peptide Research

COA

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