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Retatrutide in a ready-mixed 3 ml injection pen. The newest and strongest of the weight-loss peptides, a triple agonist that hits three receptors at once, from the Reviva Research line with QR verification. WHAT'S IN THE BOX • 1x Reviva Research Retatrutide 25 mg pen (ready-mixed, single 3 ml cartridge) • 1x Cartridge Pen for precision dosing • 10x Pen Needle Tips • 1x Pen Carry Case Keep refrigerated at 2 to 8°C. Ships in cold-chain packaging. WHAT IS RETATRUTIDE Retatrutide is a triple agonist of the GLP-1, GIP and glucagon receptors, developed as a once-weekly weight-loss treatment. It is the strongest of the incretin-based peptides and has shown the largest weight loss of any drug in its class in clinical trials. HOW IT WORKS • Activates GLP-1 to slow gastric emptying and reduce appetite. • Activates GIP to improve insulin response and support metabolism. • Activates the glucagon receptor to raise energy expenditure and fat oxidation. Together the three actions reduce hunger, increase fullness and push the body to burn stored fat. WHAT IT'S USED FOR Retatrutide is promoted for significant weight loss, appetite control and improved body composition. In trials it has produced up to around 24% body weight loss, more than semaglutide or tirzepatide. This injectable pen is a research-use form and is not a licensed medicine. SUGGESTED DOSING Dosed once weekly by subcutaneous injection. This lower-strength 25 mg pen is a good starting point for first-time users. Protocols typically begin low, around 2 mg weekly, and step up over several weeks. Follow the dosing chart in the leaflet and do not exceed the recommended dose.