The Retatrutide 40mg Injection Pen is a pre-filled multi-dose research pen containing 40mg of Retatrutide, divided into 4 × 10mg doses. Its compact pen-style format offers a convenient alternative to traditional vial-based setups — no separate reconstitution required.

Key Features

• 40mg Retatrutide per pen
• 4 × 10mg doses per device
• Pre-filled multi-dose injection pen
• Simple adjustable pen-style delivery system
• No vial reconstitution required
• Supplied with compatible disposable pen needles
• Compact, portable format
• Protective presentation box with instructions included

Storage

Store refrigerated at 2°C–8°C. Protect from heat and direct light. Do not freeze.

⚠️ Important: Retatrutide is an investigational compound and, as of August 2026, is not an approved medicine in the UK. This product is supplied strictly for in vitro laboratory research use only and must not be used for human consumption, therapeutic use, or any in vivo application.