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About

The Metabolic Health Clinic, based at 25 Harley Street, is led by Dr Richard Mackenzie. Dr Mackenzie has over 30 years experience of helping people improve their metabolic health, reduce over disease risk and  decrease body and fat mass. Dr Mackenzie's approach requires an in-depth screening of individualised metabolism that directs the best possible approach that allows long lasting weight loss and an overall better hormone balance. 

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Outside of the clinical setting, Dr Mackenzie is an award winning professor in the area of human metabolism, having been awarded the Endocrine Society Eugenia Rosemberg Prize. As a professor, Dr Mackenzie has published over 40 peer review publications in medical and scientific journal. He leads a laboratory group which aims to improve our understanding of human metabolism, disease prevention and fat loss and fat metabolism. 

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Dr Mackenzie is often employed to work as a consultant to a variety of companies & individuals, offering advice, measurement and analysis of human metabolism. Examples include BBC 2 Horizon and Mediwise  where he acts as a consultant on the development and testing of a novel glucose-monitoring device for the improved management of diabetes. In addition, Dr Mackenzie's also works with individuals, such as the TV coach Joe Wicks, to help them understand their own metabolism.

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Metabolic Health provides individuals access to state-of-the-art facilities along with the most experienced and dedicated professionals. Based at 25 Harley Street or our Harpenden (Hertfordshire) base clinic, our mission has been to provide detailed and individualised information about metabolism to allow individuals to take charge of their health, reduced disease risk and improving healthy ageing and longevity.  

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In addition to the publication of research in medical and scientific journals, Dr Mackenzie will also publish his first book on stress, cortisol and metabolism early next year. You can read more here and pre-order using this link.  

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From detailed metabolic or genetic screening, to blood screening and weight loss support, our services allow us to guide you to achieve your goals. Come and talk to us to understand how we can help you.

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For more information, please see Dr Mackenzie's Profile 

Bellwood

I am so grateful to Richard and his expertise. It’s enabled me to gain control of my nutrition and weight for the first time in my life."

Ms A Cooper

"Dr Mackenzie's insight has helped me restore my metabolism back into a healthy condition, which seems to have helped us start a family."

Ms Burrows

“Found him and his team to be incredibly supportive - thank you.”

Research Publications 

  • The acute effects of high protein meals on two-compartment models of insulin sensitivity and hepatic glucose production in individuals with obesity (2025)​

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