Updated 23 Sept 2026
Retatrutide and tirzepatide titration schedules, week by week
Every dose step, how long to hold it, and what to check before you move up, built for UK readers starting a GLP-1 peptide.
Fig. 1 — weekly dose ladder
The ladder, by topic
Retatrutide and tirzepatide pens with the COA on the listing. Order before 2pm for same-day dispatch.
Shop Enzo MedsAll schedules and guides
- 1.0UsageHow to calculate a retatrutide dose from mg to units
- RxSourcingWhat a genuine peptide COA should show before you buy
- ØGeneral infoHow GLP-1 receptor agonists differ from insulin
- ØGeneral infoMedicines and retatrutide, what to flag before you start
- RxSourcingQuestions to ask a UK peptide supplier before ordering
- 1.0UsageThe retatrutide dose schedule from start to maintenance
- 1.0UsageRetatrutide dosing, how the schedule works
- ØGeneral infoHow does retatrutide dosing actually work?
- ØGeneral infoHow long retatrutide takes to start working
- 1.0UsageThe retatrutide titration schedule, step by step
- ØGeneral infoRetatrutide vs tirzepatide titration, the real differences
- RxSourcingHow to source retatrutide safely in the UK
- RxSourcingHow to spot a fake retatrutide listing
- ØGeneral infoWhat is the starting dose for a GLP-1 peptide?
- 1.0UsageReading a tirzepatide dosing chart in units
- 1.0UsageTirzepatide titration, what changes at each step
- RxSourcingCustoms and import rules for peptides bought in the UK
- RxSourcingUK delivery times for peptide orders, what to expect
- ØGeneral infoGLP-1 side effects, a plain overview
- ØGeneral infoHow GLP-1 drugs work
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