Effect Doctors

Doctor-led peptide advisory consultations in central London. Every protocol is built around comprehensive bloodwork and personally led by Dr Ethan Hausman-Marquis, who reports a PhD from the Karolinska Institute, with compounds sourced from GMP-certified, EMA-regulated pharmacies.

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.

Nūūtro is a Mayfair-based peptide therapy clinic in London offering personalised, consultation-led peptide protocols. Treatment begins with an online consultation, after which protocols are prepared as vials or pens for collection at the clinic. Nūūtro sources peptides from EU-GMP and US-regulated labs and provides ongoing support across a three-month protocol, alongside IV, ozone, and related wellness therapies.