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Retatrutide vs Tirzepatide

Reviewed by Gabriel BrocklesbyFounder & EditorFact-checked

Tirzepatide is an approved, prescribable medicine; retatrutide is still investigational with no approved product anywhere. That access difference — not trial percentages — is the practical distinction for anyone comparing the two today.

Retatrutide's Phase 3 results have made it one of the most searched weight-management topics, but unlike tirzepatide it cannot yet be legally prescribed or compounded. This comparison explains the regulatory difference, why cross-trial weight-loss numbers should not be compared directly, and what to ask a clinic that mentions either.

Related comparison paths

Move from this comparison into the peptide pages and relevant clinic profiles.

LiveNow Longevity Retatrutide Tirzepatide Menon Health Extend Medical 360 MD Austin Anderson Longevity Clinic Aspire Rejuvenation Clinic

Category	Retatrutide	Tirzepatide
Directory context	Informational clinic and treatment comparison context.	Informational clinic and treatment comparison context.
Common goals	Compare how clinics frame suitability, monitoring, and expected use cases.	Compare how clinics frame suitability, monitoring, and expected use cases.
Guidance note	Informational listing only; suitability requires clinician review.	Informational listing only; suitability requires clinician review.

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Compare clinics offering these treatments

Use city pages and peptide-specific pages to move from general research into actual provider shortlists. That usually gives a better buying picture than comparing drug names alone.

Browse providers in your city View Retatrutide View Tirzepatide

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Menon Health is a Mayfair-based peptide therapy clinic founded by Dr Mukil Menon, a GMC-registered physician and one of the first doctors to prescribe medical peptide therapy in the UK. Before establishing Menon Health, Dr Menon served as UK medical director at Koniver Wellness, launching the clinic at Soho House London. He continues to practise within the NHS alongside his private consultations, ensuring his protocols stay grounded in current medical standards. The clinic offers doctor-led, prescription-based peptide therapy alongside regenerative cell complex treatments, bloods and diagnostics, and IV therapy. All formulations are sourced from GMP-certified, EMA-regulated pharmacies and dispensed as pre-filled pens, vials, or multi-peptide syringes — Menon Health's approach to combining multiple peptides in a single dose is designed to improve precision and patient adherence. Based at 64 North Row in Mayfair, London, Menon Health serves patients across the UK, Europe, Canada, and the United States, with consultations available in person or remotely.