The “3P” in HPR-3P refers to the three-receptor pharmacology that distinguishes Retatrutide from single-agonist peptides like Semaglutide (GLP-1 only) and dual-agonist peptides like Tirzepatide (GLP-1 and GIP). By adding glucagon receptor activation to the established incretin profile, Retatrutide engages a fundamentally different metabolic signature — one that preclinical and early clinical literature has linked to enhanced lipolysis, increased energy expenditure, and notable reductions in body weight and hepatic fat content in published Phase 2 data.

Research interest in triple-agonist peptides has accelerated as investigators examine how combined receptor activation shifts substrate utilization, appetite signaling, and adipose-tissue biology in ways that single- and dual-agonist compounds cannot fully replicate. Retatrutide sits at the center of that inquiry, and it has become a standard reference compound in studies comparing mechanism of action across the incretin therapeutics class.

Common research applications include: in vitro receptor-binding and cAMP signaling assays across GLP-1R, GIPR, and GCGR; comparative pharmacology studies benchmarking Retatrutide against Semaglutide, Tirzepatide, and Liraglutide; preclinical rodent models of diet-induced obesity, NAFLD/MASH, and impaired glucose tolerance; food-intake and energy-expenditure studies in metabolic chambers; and exploratory investigations into glucagon-mediated lipolysis and hepatic glucose output.

Hydra Pulse Research HPR-3P (Retatrutide) ships as a sterile lyophilized powder in a tamper-evident vial, accompanied by a Certificate of Analysis documenting peptide identity, molecular mass, and HPLC purity. Each lot is independently tested before release, and we maintain full batch traceability for documentation and audit purposes. Our manufacturing partners operate under ISO standards, and we do not source from unverified intermediaries.

Reconstitution: Retatrutide is water soluble. Use bacteriostatic water for injection-format research or sterile water for in vitro work, depending on protocol. Store the lyophilized vial frozen at -4°F to -20°F for long-term stability. Once reconstituted, refrigerate at 36°F–46°F and use within 28 days for best experimental consistency. Avoid repeated freeze-thaw cycles, which can degrade peptide integrity and introduce variability into long-duration studies.

Why investigators choose Hydra Pulse Research for Retatrutide: every batch is independently verified, every shipment includes a Certificate of Analysis, and every product is manufactured to research-grade specifications — never repackaged grey-market material. Our team is responsive to technical questions about reconstitution, stability, and comparative pharmacology, and we support laboratories building out incretin-and-glucagon research workflows.

HPR-3P (Retatrutide) is sold strictly for in vitro and preclinical research, laboratory study, and educational use. It is an investigational compound not approved by the FDA or any other regulatory authority for human use. It is not a drug, dietary supplement, food, or cosmetic, and is not intended for human consumption or for the diagnosis, treatment, or prevention of any disease. Purchasers are responsible for ensuring lawful, compliant use within a controlled research environment.

HPR-3P (Reta)

HPR-3P is Hydra Pulse Research’s research-grade supply of Retatrutide — a long-acting synthetic peptide that functions as a triple agonist at the GLP-1, GIP, and glucagon receptors. Originally developed as LY3437943, Retatrutide has become one of the most closely watched compounds in metabolic peptide research because it is the first investigational agent to simultaneously activate all three incretin-and-glucagon pathways implicated in glucose homeostasis, appetite regulation, and energy expenditure. Hydra Pulse Research supplies HPR-3P at 99%+ purity, third-party verified by HPLC and mass spectrometry.

Disclaimer

All products sold on this website are for laboratory research use only. They are not intended for human consumption, medical use, or cosmetic use. By purchasing, you confirm that you are a qualified researcher and understand the proper handling and storage procedures for research-grade materials. No medical claims are made or implied.