HARLEY MEDIC GLOBAL

Best Practitioner-Grade Supplements UK 

Best Practitioner-Grade Supplements UK 

Editorial standards. This guide is evidence-informed and written for general education; it is not personalised medical advice. We rank supplement ranges on purity, third-party testing, dosing, ingredient form, transparency, manufacturing standard, UK availability and...
Best Practitioner-Grade Supplements UK 

Best NMN and Resveratrol Supplements

Written and medically reviewed by the Harley Medic Editorial Team. Last updated 4 July 2026. Editorial standards. This guide is evidence-based. We explain the science behind pairing NMN with resveratrol honestly — including where the human evidence is strong and where...
Best NMN Supplements

Best NMN Supplements

Written and medically reviewed by the Harley Medic Editorial Team. Last updated 3 July 2026. Editorial standards. This guide is evidence-based and cites peer-reviewed human trials and systematic reviews (see References). We rank supplements on purity, third-party...
Best Fisetin Supplements

Best Fisetin Supplements

Written and reviewed by the Harley Medic Editorial Team. Last updated 3 July 2026. Editorial standards. This guide is evidence-based and cites peer-reviewed research where possible (see References). We assess supplements on dose, purity, bioavailability, testing and...
Best Luteolin Supplements

Best Luteolin Supplements

Written and reviewed by the Harley Medic Editorial Team. Last updated 3 July 2026. How we score. We rate every luteolin supplement out of 10 across five criteria — purity & source, dose, form & absorption, testing & transparency, and value — for a total...