Essex Nutritionist, Green Berry nutriton can help you find and address the root cause of your health complaints. We a range of Nutritional services and functional tests. 1 to 1 consultations and bespoke plans. We use a functional medicine approach to help you find and address the root cause of your health complaints. We ask why your symptoms are occurring in the first place and look deeper at the whole picture, including your emotions and beliefs around food, underlying physical issues and imbalances.