Retatrutide Auto-Injection Pen Cartridge — 3cc Prefilled (Retatrutide + B12)

Retatrutide Auto-Injection Pen Cartridge — 3cc Prefilled & Sterile The retatrutide pen cartridge from Dr Jays Peptides is a 3cc prefilled, sterile cartridge preloaded with research-grade Retatrutide (RETA) and vitamin B12, engineered to seat directly into the V3 Auto-Injection Pen. No reconstitution, no vial transfers, no measuring — a ready-to-use retatrutide auto injector cartridge for streamlined, repeatable laboratory research workflows. Third-party COA-tested, documented >99% purity, same-day U.S. shipping. For laboratory research use only. Why a Prefilled Retatrutide Pen? Prefilled & sterile: ships ready-to-use in a sealed 3cc cartridge — no reconstitution or bacteriostatic-water step. V3 pen compatible: drops straight into the V3 auto-injection pen for precise, repeatable research dosing. Retatrutide + B12: preloaded with research-grade Retatrutide and vitamin B12. COA-tested: third-party verified identity, purity, and concentration, with a published Certificate of Analysis. What Is Retatrutide? Retatrutide (research code LY3437943) is a long-acting synthetic triple agonist studied at the GLP-1, GIP, and glucagon (GCGR) receptors — a leading focus in metabolic and endocrine signaling research. In the prefilled cartridge format it is supplied as a sterile solution for the V3 auto-injection pen. Specifications Format: 3cc prefilled auto-injection cartridge Contents: Retatrutide (RETA) + B12 Sterility: Sterile-filled, sealed, shipped prefilled Compatibility: V3 Auto-Injection Pen Purity: ≥99% (HPLC & MS verified) Use: Laboratory research use only Storage & Handling Store refrigerated at 2–8°C, protected from light. Do not freeze prefilled cartridges. Keep sealed until use in a controlled laboratory setting. For laboratory research use only — not for human or veterinary consumption. Available Sizes & Weekly Preload Each Retatrutide auto-injection cartridge is prefilled as an approximate 4-week preload at the listed weekly research amount. Select your size at checkout: Cartridge Size Weekly Amount Approx. Duration 10 mg 2.5 mg / week ~4 weeks 20 mg 5 mg / week ~4 weeks 30 mg 7.5 mg / week ~4 weeks 40 mg 10 mg / week ~4 weeks 48 mg 12 mg / week ~4 weeks Related Research Products Complete your prefilled research setup: V3 Auto-Injection Pen Kit — reusable pen and travel case this cartridge is built for. Buy Retatrutide (RETA) vial — lyophilized Retatrutide research peptide.