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Functional Nutrition was founded in Sheffield, United Kingdom by Nutritional and Functional Medicine Practitioner David Brassey in 2007.

David holds a Post-Graduate Diploma in Nutritional Therapy and regularly attends seminars all over the globe to keep up to speed with the latest developments in the field of nutrition and wellbeing.

He has undertaken many Functional Medicine training modules with Apex Energetics in the United States and been mentored by Dr Daniel Kalish founder of the Kalish Functional Medicine Institute in New York. 

His main focus is on identifying and sourcing alternative natural healthcare solutions to the chronic diseases that are plaguing our developed societies today.