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Meet the Team

Nutritional Balancing Practitioners

At Halr Analysis UK we use Analytical Research Laboratories, USA (ARL) for the hair mineral analysis testing and use the science of Dr Eck on minerals and their ratios to devise personal nutritional balancing programmes for clients.  We incorporate the work of Dr Lawrence Wilson who worked with Dr Eck for many years and continued his work by adding some improvements and detox suggestions.   Dr Wilson's brilliant additions to Dr Eck's programmes speed up the healing process but we make sure Dr Eck's science is not compromised.  In addition Cressida and Susan bring over 22 years combined nutritional experience to the programmes that are helping people regain their energy and healing ability. 

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Member of Naturopathic Nutrition Association, IANLPC and IAHT


Cressida Elias, BA Hons, has been analysing hair tests and compiling mineral balanicng and nutritional balancing programmes for clients around the the world from UK to India to Australia since 2016. Cressida has overseen the restoration of vitality and symptom healing for clients looking for holistic solutions to their chronic and acute conditions. She brings a solution orientated approach to both adults and children to help them resolve their physical, mental or emotional issues and is passionate about using hair tests as a reliable guide and predictive tool to educate clients on their mineral imbalances and how to correct them.

Certified and has specialized in Hair Tissue Mineral Analysis and Nutritional Balancing, Westbrook University, Clinical experience and Advanced Training in Mineral and Nutritional Balancing with Dr L Wilson, USA.


Certified as a Paleo Diet Nutritionist,


Author of 2 books – “Green Smoothie Joy” and “Green Smoothie Joy for Nutribullet” published by Skyhorse Publishing, NY and was editor for Vitality health magazine by G&G Vitamins.


Member of Naturopathic Nutrition Association, IANLPC and IAHT

Certified Nutritional Balancing Practitioner based in Forest Row, East Sussex, UK

Hair Analysis Practitioner at The Anderida Practice, Forest Row.

Susan Cachay

  • BEd, MC, RNCP, Nutritionist, Canada 17 years experience in hair analysis reviews all tests.

  • Susan Cachay is a nutritionist and counsellor and has worked in the nutrition field for over 25 years.  She is currently pursuing her PhD in Nutrition.  Susan's focus for the last 18 years has been primarily working with Hair Tissue Mineral Analysis (HTMA) and Nutritional Balancing Science not only as a practitioner but as a coach and trainer.  Nutritional Balancing Science is a form of nutritional body correction that utilizes a hair analysis to view a person’s unique body chemistry in order to then determine which exact combinations of nutrients are needed to correct it.  This science was developed by Dr. Paul Eck of Analytical Research Laboratories and further developed by Lawrence Wilson, MD.  Susan has completed higher level training in the areas of women’s health, digestive/gut health, skin health, allergies, emotional wellbeing and wellness, intuitive and healthy eating.  She has three publications:  Recipes for the Developmental Diets, Intuitive Eating, Energy II.

  • Susan continues to train other practitioners in this method as well as working with her own clients helping them naturally achieve their health goals.  

Dr Lawrence Wilson biography 

grew up in New York state.  He has a bachelors of science degree from the Massachusetts Institute of Technology and a medical degree from the Centro De Estudios Universitarios Xochicalco, Ensenada, Mexico.

For over 40 years he has worked as a nutrition consultant refining the science of nutritional balancing.  He has reviewed over 35,000 hair mineral analyses.

He learned some basics from Dr. Paul C. Eck, a brilliant biochemist and founder of Analytical Research Laboratories for whom he worked for 14 years..  He has expanded the work since Dr. Eck passed away adding procedures that greatly enhance the detoxification of toxic metals and discovering newer hair patterns that are emerging today in our ever increasing toxic world.

We use many of Dr Wilson's additions.  

Dr Heather Kneale

Doctorates in Naturopathy, PhD in Metaphysical Humanistic Science specializing in Holistic Life Coaching.  We sometimes review tests with Dr Kneale.  

Doug Eck

Vice President of Analytical Research Laboratories

Doug is the son of Dr Paul C Eck who founded the hair testing laboratory and devised the targeted nutritional supplements.  He has been working at the lab and reviewing hair tests for over 20 years. 

Nutritional Balancing and Hair Mineral Analysis Practitioners.

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