Retatrutide
Advanced metabolic regulation, from the inside out.
Retatrutide is a synthetic peptide built to engage three metabolic receptors at once — GLP-1, GIP, and glucagon — instead of isolating a single one. Each of these receptors sits inside a signaling pathway your body already relies on to manage appetite, blood sugar, and energy expenditure. Retatrutide is being studied for its role in supporting these pathways in coordination rather than separately. Format and dosing for this compound are pending clinical validation.
Appetite, insulin response, and energy regulation were never meant to work in isolation — they're one interconnected system your body was already built to run. Retatrutide's multi-receptor design reflects that same logic: it's meant to work alongside the signals already present, not replace them with something foreign.
What it's used to support.
Best suited for women 35+ who are already working with a practitioner on the broader metabolic picture — insulin resistance, shifting body composition, or a plateau despite consistent habits — and who want a multi-pathway option to bring into that conversation.
This compound's format and dosing are pending clinical validation and are not published generically — they are confirmed one-to-one with a licensed practitioner based on your history and goals.
Before you start.
Format and dosing are pending clinical validation. Exact dosing and protocol are determined individually with a licensed practitioner during consultation, based on your metabolic history and goals.
Timelines vary by individual and depend on the full protocol your practitioner builds around you. We don't attach a specific timeframe to this — your practitioner can set expectations based on your starting point.
Yes. Retatrutide should only be introduced under the guidance of a licensed practitioner who can evaluate your metabolic profile and coordinate it with anything else already part of your care.
Every Inner Peptides formula is independently tested before it ships, with a Certificate of Analysis available on request. Learn more about our testing standard.