Same-day dispatch before 10am
Protocols
Retatrutide
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Protocol No.01 / 14Weight loss

Retatrutide

5.0
200+ reviews
What’s inside?
  • Retatrutide
Retatrutide — view 1
Retatrutide — view 2
Retatrutide artworkLook for this artwork at checkout

Triple pathway metabolic support, mapped and led by your coach.

Select dose
Price
£120
Same-day dispatch before 10am
Order today

Same-day dispatch

Compounded

Order before 10am

At your door

Fri 2 Jan – Sat 3 Jan

Supply
About 5 weeks · 1 pen(est £24 a week)
View purity certificate
≥99%
Tested purity
GMP
Licensed facility
COA
Every batch
24h
Cold chain dispatch
1:1
Coach led
01 — Overview

What it is,
and why.

Retatrutide is a triple receptor agonist that signals across three metabolic pathways at once. Where most weight protocols act on a single receptor, Retatrutide engages GLP1, GIP and glucagon together, supporting appetite, nutrient handling and energy use as one system. Every protocol is set and adjusted by your coach.

02 — Mechanism

Small signals.
Big systems.

3 signalling pathways, mapped and led by your coach. Each one does its own job. Together they change the shape of the protocol.

  1. 01
    GLP1R · appetite

    Signals satiety and slows gastric emptying, so meals feel complete sooner and cravings settle.

  2. 02
    GIPR · nutrient handling

    Supports insulin sensitivity and how the body processes the energy you take in.

  3. 03
    GCGR · energy use

    Engages glucagon signalling to support energy expenditure and metabolic output.

03 — Standard

Built to a higher standard.

Four things we will not compromise on. They show up in every batch, on every order.

01
Coach led

A dedicated coach sets and adjusts your protocol from day one.

02
Research grade

Compounded to pharmaceutical specification in a GMP licensed facility.

03
Third party tested

Every batch verified for identity and purity. Certificate of analysis included.

04
Compounded fresh

Made hours before delivery, sent cold chain, discreetly.

Certificates of analysis

Independently verified purity.

Every compound in this protocol is third party tested. Open a certificate to verify identity and purity directly with the laboratory.

05 — In the box

What you receive.

  • Cambridge Peptides injection pen
  • Dose dial from 0.5 to 10mg
  • Personal coach and titration plan
  • Certificate of analysis for your batch
  • Cold chain delivery and sharps return
Protocol specification
CP-26/A3
Dosing
Dialled from 0.5mg, titrated weekly with your coach.
Format
Subcutaneous injection pen
Testing
Third party, COA per batch
Delivery
1–2 day UK, free, cold chain, plain packaging

Coach led from day one. We do not dispense without a consultation, and we adjust your protocol as you respond.

07 — Delivery

On your doorstep, 1 to 2 days.

Free tracked cold chain delivery across mainland UK, in plain unmarked packaging. Compounded hours before dispatch so it reaches you fresh.

Order today

Order before 10am on a working day

Compounded

Dispatched today

At your door

Est. Fri 2 Jan – Sat 3 Jan

Buy now
1–2 working days

Dispatched same or next working day, tracked via DPD or Royal Mail Tracked 24.

Cold chain, sealed

Insulated box with medical grade gel packs, temperature stable in transit up to 48 hours.

Plain, discreet packaging

No branding, no product name on the outside. Signed for on delivery.

Mainland UK, free

Free tracked delivery across mainland UK. Highlands, islands and NI on request.

Real customers

What people say

5.0 · 300+ reviews
Hannah M. with their Cambridge Peptides pen at home

Arrived next day, sealed and cold. The pen is so simple to use — I was nervous about self dosing and it took thirty seconds.

Hannah M.Verified · Cambridge
Daniel R. with their Cambridge Peptides pen at home

Packaging was discreet and the batch certificate matched what was on the site. That is what sold me on ordering again.

Daniel R.Verified · Manchester
Priya S. with their Cambridge Peptides pen at home

Ordered before 10am and it landed the following morning. Sits in the fridge next to the coffee, part of the routine now.

Priya S.Verified · London
Mark L. with their Cambridge Peptides pen at home

Six weeks in and the difference is obvious. Appetite is under control and I have not missed a gym session.

Mark L.Verified · Leeds
08 — FAQ

Questions, answered.

Still have questions? Talk to a coach
Start your protocol

Retatrutide.

£120 per cycle. Coach led from day one. Compounded fresh, sent cold chain, discreetly.

Order before 3pm · Dispatched today · 1–2 day tracked delivery