Growth Hormone Peptides

Growth hormone secretagogues, releasing hormones, and related peptides for endocrine research.
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IGF-1 LR3 (1mg)

  • 83-amino acid analog with enhanced potency (~3x native IGF-1) and extended half-life (20-30 hours)
  • Engineered for reduced IGFBP binding, allowing sustained IGF-1R activation without sequestration
  • Validated in 22+ publications across cardiovascular, fetal growth, gastrointestinal, and cell culture research
$59.00

MK-677 Capsules (25mg) 60 Count

  • Oral GH Secretagogue: Non-peptide ghrelin mimetic (C₂₇H₃₆N₄O₅S), >60% bioavailability
  • GHS-R1a Agonist: High affinity (pKi = 8.14, EC50 = 1.3 nM), sustained GH-IGF-1 elevation
  • Clinical Evidence: 30-year history, >1,000 subjects, Phase 3 development for pediatric GHD
$99.00

HCG (5000)

Human Chorionic Gonadotropin (hCG) - LHCGR agonist activating cAMP/PKA signaling cascades. Heterodimeric glycoprotein hormone. Purity ≥95%. Research use only.

$49.00

KISSPEPTIN (10mg)

  • Master Reproductive Regulator: C-terminal decapeptide (YNWNSFGLRF-NH2), ≥95% purity
  • KISS1R/GPR54 Agonist: 8-fold higher receptor affinity than kisspeptin-54 (Ki = 0.042 nM)
  • GnRH Pulse Generator: Most potent GnRH neuron stimulator, 4-minute human plasma half-life
$50.00

PEG-MGF (2mg)

PEG-MGF (PEGylated Mechano Growth Factor) is a synthetic, stabilized form of the 24-amino acid MGF E-domain peptide derived from the IGF-1Ec splice variant. Research shows it activates satellite cells, promotes myoblast proliferation via MAPK-ERK1/2 signaling, and demonstrates neuroprotective effects through PKCε/Nrf2/HO-1 pathways.
$39.00

MK2866 Capsules (25mg) 100 Count

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$119.00