Description
What is the R3TA Injection Pen?
This is the same R3TA triple receptor agonist in our standard vials, delivered in a pre-reconstituted injection pen format for maximum convenience and accuracy.
Experience the next level of convenience with our R3TA 20mg Pre-Reconstituted Pen. Specially prepared in our compounding pharmacy, each pen arrives ready to use — already reconstituted with bacteriostatic water and our stabilising formula for safe transit. Designed for simplicity, accuracy, and reliability, the R3TA Pen is the perfect option for those seeking a smoother and more practical way to dose.
No reconstitution required. Store in the fridge and use directly from the pen.
About R3TA R3TA is a triple receptor agonist that simultaneously activates GLP-1, GIP, and glucagon receptors. This triple mechanism has produced some of the most impressive results seen in metabolic and weight loss research. For a full research summary, see our R3TA 10mg or 30mg product pages.
What Makes the Pen Different
- Pre-reconstituted — arrives ready to use, no mixing needed
- Stabilised formula — specially prepared for safe transit and storage
- Precise dosing — pen format allows accurate, consistent dosing
- 20mg per pen — higher amount for extended research protocols.
For research use only. Not intended for human consumption. Not approved by the FDA or TGA.











