Retatrutide 40mg Pen
A triple-agonist peptide pen activating GLP-1, GIP and glucagon receptors — engineered for advanced metabolic research.
- Triple-agonist activity across GLP-1, GIP and glucagon receptors
- 40mg pen — supplied as 4 doses of 10mg
- Store in a refrigerator between 2°C and 8°C
- For subcutaneous research use only
- Tamper-evident, batch-coded packaging
- Discreet, tracked UK-wide delivery
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Product Description
The Retatrutide 40mg Pen is a research-grade, triple-agonist peptide based on the investigational molecule Retatrutide (LY3437943). It acts on three key metabolic pathways — GLP-1, GIP and glucagon receptors — that are widely studied for their roles in appetite regulation, insulin response and energy expenditure.
Each pre-filled pen contains 40mg of Retatrutide, supplied as 4 individual doses of 10mg, and is designed for controlled, single-use subcutaneous research applications. Every batch is manufactured to a consistent standard and shipped in temperature-appropriate, discreet packaging.
Mechanism of Action — The Triple Pathway
- GLP-1 activation — supports appetite suppression and slower gastric emptying.
- GIP activation — supports insulin response and fat utilisation.
- Glucagon activation — supports higher energy expenditure and fat oxidation.
Together, these three pathways are being studied for their combined effect on metabolic balance, compared with single or dual-receptor agonists.
Frequently Asked Questions
How is the Retatrutide 40mg Pen supplied?
Each order includes one pre-filled pen containing 40mg of Retatrutide in total, divided into 4 doses of 10mg.
How should it be stored?
Store in a refrigerator between 2°C and 8°C. Always read the package leaflet before use.
How quickly will my order arrive?
UK orders are dispatched in temperature-appropriate packaging with tracked delivery, typically arriving within 24–48 hours.
Are refunds available?
Due to the pharmaceutical-grade, temperature-sensitive nature of this product, all sales are final and non-refundable once dispatched. See our Refund Policy for full details.