{"title":"Sexual Health","description":"\u003cp\u003eOur sexual health collection features peptides studied for libido, sexual function, and reproductive hormone pathways. All compounds are research-grade with verified ≥98% purity.\u003c\/p\u003e\n\n\u003ch3\u003eKey Research Peptides\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePT-141 (Bremelanotide)\u003c\/strong\u003e - Melanocortin receptor agonist studied for sexual arousal and desire via central nervous system pathways\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKisspeptin\u003c\/strong\u003e - Hypothalamic peptide researched for GnRH release and reproductive hormone regulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eResearch Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentral nervous system pathways of sexual arousal\u003c\/li\u003e\n\u003cli\u003eMelanocortin receptor modulation (MC4R)\u003c\/li\u003e\n\u003cli\u003eHypothalamic-pituitary-gonadal axis\u003c\/li\u003e\n\u003cli\u003eGnRH pulsatility and LH\/FSH secretion\u003c\/li\u003e\n\u003cli\u003eLibido and sexual function mechanisms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eResearch Standards:\u003c\/strong\u003e All Peptides BioLab sexual health peptides are for research purposes only, synthesized to ≥98% purity (HPLC), and supplied with Certificate of Analysis. Not for human consumption.\u003c\/p\u003e","products":[{"product_id":"kisspeptin","title":"Kisspeptin","description":"\u003cdiv class=\"pb-product-desc\"\u003e\n\u003ch2\u003eKisspeptin-10 — KISS1R Agonist for Reproductive Neuroendocrinology Research\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eKisspeptin-10\u003c\/strong\u003e is the C-terminal decapeptide of the KISS1 gene product, a critical HPG axis regulator. Identified as GPR54 ligand by de Roux et al. and Seminara et al. (2003, \u003cem\u003eNEJM\u003c\/em\u003e). Loss-of-function KISS1R mutations cause hypogonadotropic hypogonadism.\u003c\/p\u003e\n\u003ch3\u003eMechanism of Action\u003c\/h3\u003e\n\u003cp\u003eKisspeptin-10 binds KISS1R (GPR54), a Gq\/11 receptor on GnRH neurons, triggering PLC-calcium mobilization and GnRH pulsatile secretion → LH and FSH release. Arcuate KNDy neurons generate the GnRH pulse essential for gonadotropin secretion.\u003c\/p\u003e\n\u003ch3\u003eKey Research Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGnRH Pulse Generator:\u003c\/strong\u003e Critical component of the GnRH pulse generator via arcuate KNDy neurons (kisspeptin + neurokinin B + dynorphin).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePuberty Research:\u003c\/strong\u003e Kisspeptin signaling increases dramatically at puberty — study neuroendocrine mechanisms of pubertal GnRH activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFertility and Ovulation:\u003c\/strong\u003e Triggers LH surges comparable to ovulation requirements, studying positive estrogen feedback on HPG axis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetabolic-Reproductive Integration:\u003c\/strong\u003e Kisspeptin neurons receive leptin, insulin, and glucose inputs — nexus for energy-reproductive competence research.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Researchers Choose Peptides BioLab\u003c\/h3\u003e\n\u003cp\u003eEvery batch of \u003cstrong\u003eKisspeptin-10\u003c\/strong\u003e supplied by Peptides BioLab undergoes rigorous HPLC and mass spectrometry analysis, ensuring ≥98% purity verified by an independent Certificate of Analysis (CoA). Our \u003ca href=\"\/products\/kisspeptin\"\u003eKisspeptin-10\u003c\/a\u003e is supplied as a lyophilized powder for maximum stability and shelf life, shipped worldwide from our state-of-the-art facilities in temperature-controlled packaging.\u003c\/p\u003e\n\u003ch3\u003eRelated Research Peptides\u003c\/h3\u003e\n\u003cp\u003eResearchers studying related pathways may also find these compounds relevant: \u003ca href=\"\/products\/pt-141\"\u003ePT-141\u003c\/a\u003e, \u003ca href=\"\/products\/vip\"\u003eVIP\u003c\/a\u003e, and \u003ca href=\"\/products\/melanotan-ii\"\u003eMelanotan II\u003c\/a\u003e. Browse our \u003ca href=\"\/collections\/recovery\"\u003eEndocrine Research\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor research purposes only — Not for human consumption. All products are intended solely for in-vitro research and laboratory use.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Peptides BioLab","offers":[{"title":"Default Title","offer_id":60995752886602,"sku":"PBL-KISSPEPTIN-6G","price":59.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/9429\/6906\/files\/peptides-biolab-kisspeptin-reproductive-peptide-5mg-research-grade.webp?v=1773935018"},{"product_id":"melanotan-ii","title":"Melanotan II","description":"\u003cdiv class=\"pb-product-desc\"\u003e\n\u003ch2\u003eMelanotan II — Cyclic Melanocortin Receptor Agonist for Pigmentation Research\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMelanotan II\u003c\/strong\u003e (MT-II) is a synthetic cyclic heptapeptide α-MSH analog designed by Hruby \u0026amp; Hadley at University of Arizona. Non-selective melanocortin receptor agonist (MC1R, MC3R, MC4R, MC5R) for pigmentation, energy homeostasis, and behavioral research.\u003c\/p\u003e\n\u003ch3\u003eMechanism of Action\u003c\/h3\u003e\n\u003cp\u003eMT-II activates melanocortin receptors via Gs-cAMP signaling. At MC1R: cAMP-PKA-MITF-tyrosinase cascade for eumelanin synthesis. At MC4R: anorexigenic pathways and sexual arousal circuits. Induces melanogenesis independent of UV (\u003cem\u003ePeptides\u003c\/em\u003e, 1996). MC4R effects led to bremelanotide (PT-141) development.\u003c\/p\u003e\n\u003ch3\u003eKey Research Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMelanogenesis Research:\u003c\/strong\u003e Stimulates melanin production via MC1R-cAMP-MITF pathway for UV-independent pigmentation studies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMC Receptor Pharmacology:\u003c\/strong\u003e Non-selective reference compound for studying melanocortin receptor subtypes and developing selective analogs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Homeostasis:\u003c\/strong\u003e MC3R\/MC4R activation modulates hypothalamic feeding circuits and leptin-melanocortin pathway interactions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotoprotection:\u003c\/strong\u003e Investigating melanocortin-stimulated melanogenesis for protective effects against UV-induced DNA damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Researchers Choose Peptides BioLab\u003c\/h3\u003e\n\u003cp\u003eEvery batch of \u003cstrong\u003eMelanotan II\u003c\/strong\u003e supplied by Peptides BioLab undergoes rigorous HPLC and mass spectrometry analysis, ensuring ≥98% purity verified by an independent Certificate of Analysis (CoA). Our \u003ca href=\"\/products\/melanotan-ii\"\u003eMelanotan II\u003c\/a\u003e is supplied as a lyophilized powder for maximum stability and shelf life, shipped worldwide from our state-of-the-art facilities in temperature-controlled packaging.\u003c\/p\u003e\n\u003ch3\u003eRelated Research Peptides\u003c\/h3\u003e\n\u003cp\u003eResearchers studying related pathways may also find these compounds relevant: \u003ca href=\"\/products\/pt-141\"\u003ePT-141\u003c\/a\u003e, \u003ca href=\"\/products\/snap-8\"\u003eSNAP-8\u003c\/a\u003e, and \u003ca href=\"\/products\/ahk-cu\"\u003eAHK-Cu\u003c\/a\u003e. Browse our \u003ca href=\"\/collections\/anti-aging\"\u003eDermatological Research\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor research purposes only — Not for human consumption. All products are intended solely for in-vitro research and laboratory use.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Peptides BioLab","offers":[{"title":"Default Title","offer_id":60995753607498,"sku":"PBL-MELANOTANII-10MG","price":39.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/9429\/6906\/files\/peptides-biolab-melanotan-ii-peptide-10mg-research-grade.webp?v=1773933887"},{"product_id":"pt-141","title":"PT 141","description":"\u003cdiv class=\"pb-product-desc\"\u003e\n\u003ch2\u003ePT-141 — Selective MC3R\/MC4R Agonist for Central Melanocortin Research\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePT-141\u003c\/strong\u003e (Bremelanotide) is a cyclic heptapeptide derived from Melanotan II via C-terminal carboxylation. Selective for MC3R\/MC4R over MC1R — minimal melanogenic activity while retaining CNS effects. Key tool for hypothalamic melanocortin signaling research.\u003c\/p\u003e\n\u003ch3\u003eMechanism of Action\u003c\/h3\u003e\n\u003cp\u003ePT-141 activates MC4R\/MC3R in hypothalamic nuclei via Gs-cAMP signaling. Effects mediated through CNS pathways, not peripheral vascular mechanisms. MC4R activation triggers descending spinal projections to autonomic preganglionic neurons, modulating sympathetic and parasympathetic outflow.\u003c\/p\u003e\n\u003ch3\u003eKey Research Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMC4R Signaling:\u003c\/strong\u003e Selective tool for studying MC4R-mediated CNS signaling distinct from peripheral MC1R activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutonomic Nervous System:\u003c\/strong\u003e Modulates autonomic outflow through hypothalamic-spinal pathways, studying central melanocortin regulation of peripheral function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMelanocortin Structure-Activity:\u003c\/strong\u003e Metabolite-derived analog showing how subtle modifications alter MC receptor subtype selectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeuroendocrine Integration:\u003c\/strong\u003e MC4R neurons integrate leptin, insulin, and orexin inputs — studying converging hypothalamic pathways.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Researchers Choose Peptides BioLab\u003c\/h3\u003e\n\u003cp\u003eEvery batch of \u003cstrong\u003ePT-141\u003c\/strong\u003e supplied by Peptides BioLab undergoes rigorous HPLC and mass spectrometry analysis, ensuring ≥98% purity verified by an independent Certificate of Analysis (CoA). Our \u003ca href=\"\/products\/pt-141\"\u003ePT-141\u003c\/a\u003e is supplied as a lyophilized powder for maximum stability and shelf life, shipped worldwide from our state-of-the-art facilities in temperature-controlled packaging.\u003c\/p\u003e\n\u003ch3\u003eRelated Research Peptides\u003c\/h3\u003e\n\u003cp\u003eResearchers studying related pathways may also find these compounds relevant: \u003ca href=\"\/products\/melanotan-ii\"\u003eMelanotan II\u003c\/a\u003e, \u003ca href=\"\/products\/kisspeptin\"\u003eKisspeptin\u003c\/a\u003e, and \u003ca href=\"\/products\/vip\"\u003eVIP\u003c\/a\u003e. Browse our \u003ca href=\"\/collections\/cognitive-function\"\u003eNeurological Research\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor research purposes only — Not for human consumption. All products are intended solely for in-vitro research and laboratory use.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Peptides BioLab","offers":[{"title":"Default Title","offer_id":60995753705802,"sku":"PBL-PT141-10MG","price":34.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/9429\/6906\/files\/peptides-biolab-pt-141-bremelanotide-peptide-10mg-research-grade.webp?v=1773933893"},{"product_id":"mt-1-melanotan-1","title":"MT-1 (Melanotan 1)","description":"\u003cdiv class=\"pb-product-desc\"\u003e\n\u003ch2\u003eMT-1 (Melanotan 1) — Alpha-MSH Analog for Dermatological and Photoprotection Research\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMT-1 (Melanotan 1)\u003c\/strong\u003e, also known as Afamelanotide, is a synthetic tridecapeptide analog of alpha-melanocyte-stimulating hormone (α-MSH). First developed at the University of Arizona in the 1980s by Hruby and Hadley, this linear peptide binds with high selectivity to the melanocortin 1 receptor (MC1R), making it a valuable research tool for investigating melanogenesis, photoprotection pathways, and UV-induced DNA damage repair mechanisms. Unlike its cyclic counterpart Melanotan II, \u003cstrong\u003eMT-1\u003c\/strong\u003e demonstrates preferential MC1R selectivity with minimal cross-reactivity at MC3R, MC4R, and MC5R subtypes.\u003c\/p\u003e\n\n\u003ch3\u003eMechanism of Action\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMelanotan 1\u003c\/strong\u003e activates the MC1R signaling cascade in melanocytes, stimulating adenylyl cyclase activity and increasing intracellular cAMP concentrations. This triggers CREB-mediated transcription of the MITF (microphthalmia-associated transcription factor) gene, which subsequently upregulates tyrosinase, TRP-1, and TRP-2 enzymes essential for eumelanin biosynthesis. Research published in \u003cem\u003eFASEB Journal\u003c\/em\u003e (2005) demonstrated that MC1R activation by α-MSH analogs also enhances nucleotide excision repair (NER) of cyclobutane pyrimidine dimers, independent of pigmentation effects, suggesting dual protective mechanisms against UV-induced mutagenesis.\u003c\/p\u003e\n\n\u003ch3\u003eKey Research Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMelanogenesis Pathways:\u003c\/strong\u003e In-vitro studies using human melanocyte cultures have demonstrated that \u003cstrong\u003eMT-1\u003c\/strong\u003e induces dose-dependent increases in eumelanin production through MC1R-cAMP-MITF signaling, providing researchers with a selective pharmacological tool for studying pigmentation biology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotoprotection Research:\u003c\/strong\u003e Published clinical studies in \u003cem\u003eThe New England Journal of Medicine\u003c\/em\u003e (2015) investigated MT-1 in the context of erythropoietic protoporphyria (EPP), demonstrating increased pain-free sun exposure duration and melanin density in treated subjects, establishing a model for photoprotective compound evaluation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDNA Damage Repair:\u003c\/strong\u003e Research has shown that MC1R signaling activated by MT-1 enhances the repair of UV-induced DNA photoproducts through cAMP-dependent upregulation of XPC and DDB2 nucleotide excision repair proteins, independent of melanin production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkin Biology Models:\u003c\/strong\u003e Investigators have utilized MT-1 in 3D skin equivalent models and organotypic cultures to study melanocyte-keratinocyte crosstalk, melanosome transfer dynamics, and the paracrine effects of melanocortin signaling on surrounding cell populations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Researchers Choose Peptides BioLab\u003c\/h3\u003e\n\u003cp\u003eEvery batch of \u003cstrong\u003eMT-1 (Melanotan 1)\u003c\/strong\u003e supplied by Peptides BioLab undergoes rigorous HPLC and mass spectrometry analysis, ensuring ≥98% purity verified by an independent Certificate of Analysis (CoA). Our \u003ca href=\"\/products\/mt-1-melanotan-1\"\u003eMT-1\u003c\/a\u003e is supplied as a lyophilized powder for maximum stability and shelf life, shipped worldwide from our state-of-the-art facilities in temperature-controlled packaging.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Research Peptides\u003c\/h3\u003e\n\u003cp\u003eResearchers studying melanocortin receptor signaling and dermatological pathways may also find these compounds relevant: \u003ca href=\"\/products\/melanotan-ii\"\u003eMelanotan II\u003c\/a\u003e, \u003ca href=\"\/products\/pt-141\"\u003ePT-141\u003c\/a\u003e, and \u003ca href=\"\/products\/ghk-cu\"\u003eGHK-Cu\u003c\/a\u003e. For a complete overview, browse our \u003ca href=\"\/collections\/sexual-health\"\u003eSexual Health Research\u003c\/a\u003e and \u003ca href=\"\/collections\/anti-aging\"\u003eAnti-Aging Research\u003c\/a\u003e collections.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eFor research purposes only — Not for human consumption. All products are intended solely for in-vitro research and laboratory use.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Peptides BioLab","offers":[{"title":"Default Title","offer_id":61420646465866,"sku":"PBL-MT1-10MG","price":34.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/9429\/6906\/files\/peptides-biolab-mt-1-melanotan-1-10mg-research-grade.webp?v=1774393539"},{"product_id":"testagen","title":"Testagen","description":"\u003cdiv class=\"pb-product-desc\"\u003e\n\u003ch2\u003eTestagen (Lys-Glu-Asp-Gly) — Testicular Bioregulator Peptide for Reproductive Research\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTestagen\u003c\/strong\u003e is a synthetic tetrapeptide bioregulator (Lys-Glu-Asp-Gly) developed at the St. Petersburg Institute of Bioregulation and Gerontology by Professor Vladimir Khavinson's research group. As a tissue-specific bioregulator targeting testicular function, Testagen has been investigated for its capacity to normalize gonadal peptide regulation and modulate Leydig cell activity in preclinical models. Published research in \u003cem\u003eBulletin of Experimental Biology and Medicine\u003c\/em\u003e has demonstrated its role in restoring age-related declines in reproductive hormone synthesis and spermatogenesis parameters.\u003c\/p\u003e\n\n\u003ch3\u003eMechanism of Action\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTestagen\u003c\/strong\u003e operates through the characteristic bioregulator mechanism described by Khavinson—direct interaction with specific DNA sequences to modulate gene expression. The KEDG tetrapeptide has been shown to bind complementary nucleotide sequences in the promoter regions of genes involved in steroidogenesis, particularly those encoding steroidogenic acute regulatory protein (StAR) and cytochrome P450 enzymes (CYP11A1, CYP17A1) essential for testosterone biosynthesis. This epigenetic regulation normalizes transcriptional activity without supraphysiological stimulation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Research Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeydig Cell Function:\u003c\/strong\u003e In-vitro studies on primary Leydig cell cultures have demonstrated that \u003cstrong\u003eTestagen\u003c\/strong\u003e restores testosterone production capacity in cells exposed to age-mimicking oxidative stress conditions, increasing StAR protein expression and cholesterol transport to mitochondria.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpermatogenesis:\u003c\/strong\u003e Research in aged rodent models has shown normalization of spermatogenic epithelium architecture and increased sperm motility parameters following Testagen administration, with effects persisting beyond the treatment period.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeuroendocrine Regulation:\u003c\/strong\u003e Studies have observed restoration of hypothalamic-pituitary-gonadal (HPG) axis sensitivity in aged models, with normalized GnRH pulsatility and LH response patterns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReproductive Aging:\u003c\/strong\u003e Long-term studies have investigated Testagen's capacity to delay age-related testicular involution, with histological analyses showing preserved seminiferous tubule integrity and interstitial tissue architecture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosage per vial:\u003c\/strong\u003e 10mg lyophilized powder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e ≥98% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Lys-Glu-Asp-Gly (KEDG)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular Weight:\u003c\/strong\u003e 433.46 Da\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e -20°C, protected from light\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Researchers Choose Peptides BioLab\u003c\/h3\u003e\n\u003cp\u003eEvery batch of \u003cstrong\u003eTestagen\u003c\/strong\u003e supplied by Peptides BioLab undergoes rigorous HPLC and mass spectrometry analysis, ensuring ≥98% purity verified by an independent Certificate of Analysis (CoA). Our product is supplied as a lyophilized powder for maximum stability, shipped worldwide in temperature-controlled packaging.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Research Peptides\u003c\/h3\u003e\n\u003cp\u003eResearchers studying reproductive biology and endocrine regulation may also find these compounds relevant: \u003ca href=\"\/products\/kisspeptin\"\u003eKisspeptin\u003c\/a\u003e, \u003ca href=\"\/products\/melanotan-ii\"\u003eMelanotan II\u003c\/a\u003e, and \u003ca href=\"\/products\/pt-141\"\u003ePT-141\u003c\/a\u003e. For a complete overview, browse our \u003ca href=\"\/collections\/sexual-health\"\u003eSexual Health Research\u003c\/a\u003e collection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eFor research purposes only — Not for human consumption. All products are intended solely for in-vitro research and laboratory use.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Peptides BioLab","offers":[{"title":"Default Title","offer_id":61420737823050,"sku":"PBL-TESTAGEN-10MG","price":29.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/9429\/6906\/files\/peptides-biolab-testagen-bioregulator-peptide-10mg-research-grade.webp?v=1774393567"},{"product_id":"prostamax","title":"Prostamax","description":"\u003cdiv class=\"pb-product-desc\"\u003e\n\u003ch2\u003eProstamax (Lys-Glu-Asp-Pro) — Prostate Bioregulator Peptide for Urological Research\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProstamax\u003c\/strong\u003e is a synthetic tetrapeptide bioregulator developed at the St. Petersburg Institute of Bioregulation and Gerontology by Professor Vladimir Khavinson's research group. As a prostate-specific bioregulator, Prostamax has been characterized for its regulatory effects on prostatic epithelial cell gene expression, androgen receptor signaling modulation, and maintenance of normal glandular architecture. Published research in \u003cem\u003eAdvances in Gerontology\u003c\/em\u003e has documented its capacity to normalize prostatic function parameters and preserve tissue homeostasis in aged animal models exhibiting benign prostatic changes.\u003c\/p\u003e\n\n\u003ch3\u003eMechanism of Action\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProstamax\u003c\/strong\u003e operates through the established Khavinson bioregulator mechanism of direct DNA interaction at tissue-specific gene loci. The tetrapeptide modulates chromatin accessibility at promoter regions controlling prostatic epithelial differentiation markers, androgen receptor co-regulator expression, and growth factor signaling cascades (EGF, FGF, TGF-β). Research has demonstrated normalization of the proliferation\/apoptosis balance in prostatic epithelium, with selective downregulation of proliferative signals while maintaining secretory function gene expression.\u003c\/p\u003e\n\n\u003ch3\u003eKey Research Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProstatic Epithelial Homeostasis:\u003c\/strong\u003e In-vitro studies on prostatic epithelial cell cultures have demonstrated that \u003cstrong\u003eProstamax\u003c\/strong\u003e normalizes cell cycle progression, reducing aberrant proliferative activity while preserving differentiated secretory function markers (PSA, prostatic acid phosphatase).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAndrogen Receptor Modulation:\u003c\/strong\u003e Research has shown that Prostamax influences androgen receptor co-regulator expression profiles, modulating transcriptional output without directly competing for receptor binding—a unique regulatory mechanism distinct from anti-androgen pharmacology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlandular Architecture:\u003c\/strong\u003e Histological studies in aged rodent prostate tissue have documented preserved acinar structure, maintained basal cell layer integrity, and reduced stromal\/epithelial ratio following chronic Prostamax treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInflammatory Modulation:\u003c\/strong\u003e Research has observed reduced prostatic inflammation markers (COX-2, NF-κB nuclear translocation) and normalized cytokine profiles in prostate tissue from aged Prostamax-treated animals compared to untreated controls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosage per vial:\u003c\/strong\u003e 10mg lyophilized powder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e ≥98% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e -20°C, protected from light\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Researchers Choose Peptides BioLab\u003c\/h3\u003e\n\u003cp\u003eEvery batch of \u003cstrong\u003eProstamax\u003c\/strong\u003e supplied by Peptides BioLab undergoes rigorous HPLC and mass spectrometry analysis, ensuring ≥98% purity verified by an independent Certificate of Analysis (CoA). Our product is supplied as a lyophilized powder for maximum stability, shipped worldwide in temperature-controlled packaging.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Research Peptides\u003c\/h3\u003e\n\u003cp\u003eResearchers studying prostate bioregulation and male health may also find these compounds relevant: \u003ca href=\"\/products\/testagen\"\u003eTestagen\u003c\/a\u003e, \u003ca href=\"\/products\/kisspeptin\"\u003eKisspeptin\u003c\/a\u003e, and \u003ca href=\"\/products\/thymalin\"\u003eThymalin\u003c\/a\u003e. For a complete overview, browse our \u003ca href=\"\/collections\/sexual-health\"\u003eSexual Health Research\u003c\/a\u003e collection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eFor research purposes only — Not for human consumption. All products are intended solely for in-vitro research and laboratory use.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Peptides BioLab","offers":[{"title":"Default Title","offer_id":61420761547082,"sku":"PBL-PROSTAMAX-10MG","price":29.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/9429\/6906\/files\/peptides-biolab-prostamax-bioregulator-peptide-10mg-research-grade.webp?v=1774393584"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/9429\/6906\/collections\/peptides-biolab-pt-141-bremelanotide-peptide-10mg-research-grade.webp?v=1774382741","url":"https:\/\/peptides-biolab.com\/collections\/sexual-health.oembed","provider":"Peptides BioLab","version":"1.0","type":"link"}