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A 28-amino acid peptide hormone primarily produced in the stomach that stimulates appetite and growth hormone release via the GHS-R1a receptor.
Ghrelin is a 28-amino acid peptide hormone predominantly synthesised by enteroendocrine cells of the gastric fundus, earning it the designation as the 'hunger hormone'. It acts as the endogenous ligand for the growth hormone secretagogue receptor type 1a (GHS-R1a), stimulating both appetite and growth hormone (GH) release from the anterior pituitary gland. Ghrelin undergoes a unique post-translational modification called octanoylation at its third serine residue, which is essential for its ability to bind GHS-R1a and cross the blood-brain barrier. Beyond appetite regulation and GH secretion, ghrelin plays roles in glucose metabolism, gastrointestinal motility, cardiovascular protection, and immune modulation. Synthetic peptides like Ipamorelin mimic ghrelin's GH-releasing action while being more selective for the GHS receptor, avoiding ghrelin's broader appetite-stimulating and cortisol-elevating effects.
A selective pentapeptide growth hormone secretagogue that stimulates GH release via the ghrelin receptor with minimal effects on cortisol and prolactin.
A 191-amino acid peptide hormone secreted by the anterior pituitary gland that regulates growth, body composition, metabolism, and tissue repair.
Growth Hormone-Releasing Hormone, a 44-amino acid peptide produced in the hypothalamus that stimulates growth hormone synthesis and secretion from the pituitary.
A molecule that binds to and activates a cellular receptor, mimicking or enhancing the effect of the natural signalling molecule (ligand).
The fundamental building blocks of peptides and proteins, with 20 standard types that combine in unique sequences to create biologically active molecules.
Body Protection Compound-157, a synthetic 15-amino acid peptide derived from human gastric juice with potent tissue-healing and neuroprotective properties.
Legal under MHRA rules. BPC-157, tirzepatide & NAD+ pens with next-day UK delivery from £99. >99% purity, GMP certified. Shop now.
ARTICLEPens cut dosing error from 15% to under 2%. We compare accuracy, contamination risk, cost, and convenience. See why researchers are switching in 2026.
ARTICLEOver 100 published studies back BPC-157 for tissue repair, gut healing, and neuroprotection. Mechanisms, dosing protocols, and where to buy in the UK.
COMPARISONCompara BPC-157 y TB-500 para investigación de recuperación. Mecanismos, beneficios, dosificación y cuándo usar cada péptido. Compra ambos como plumas premezcladas.
COMPARISONCompara tirzepatida y semaglutida para investigación metabólica. Receptor dual vs simple, datos de eficacia, efectos secundarios y precios. Compra plumas de tirzepatida.
ENCYCLOPEDIAPentadecapéptido gástrico. Peso molecular: 1419.53 Da. Explora el mecanismo de acción, estudios clave y aplicaciones de investigación.
BUNDLEEl dúo clásico de curación para una reparación tisular acelerada
PROTOCOLProtocolo de investigación que combina los pens de péptidos BPC-157 y TB-500 para la recuperación tisular acelerada. Explore los mecanismos de curación sinérgica, los esquemas de dosificación y los hallazgos de estudios publicados.
FAQTodo sobre los sistemas de pen de péptidos. Cómo funcionan, ventajas sobre los viales y mecanismos de dosificación.
CATEGORYPlumas de péptidos de recuperación de grado de investigación. BPC-157 y TB-500 para reparación de tejidos, cicatrización de heridas e investigación de inflamación. Pureza >99%.
CATEGORYPlumas de péptidos para investigación de pérdida de peso. Tirzepatida — agonista dual GIP/GLP-1 para investigación metabólica. Plumas premezcladas, pureza >99%.
Premium pre-mixed peptide pens with next-day UK delivery. GMP manufactured, >99% purity guaranteed.
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