Mental Health Foundation http://www.mentalhealth.org.uk/
The Mental Health Foundation has partnered with Sustain for the Food and Mental Health Project. It exists to help people survive, recover from and prevent mental health problems.
The following are links to UK-based organisations that work specifically on the connection between diet and mental health and behaviour. It is not a definitive list and does not include many organisations that may have information about the connection on their websites.
Food and Behaviour Research http://www.fabresearch.org/
This charity was set up by one of the principal researchers in the area, and has a website that tracks the most up to date research in the field.
The Food and Mood Project http://www.foodandmood.org/
Founded by a nutritional therapist and backed by the mental health charity Mind, the project offers advice on how to regulate mood through diet.
The Hyperactive Children's' Support Group (HACSG) http://www.hacsg.org.uk/
This long-standing organisation provides advice and information to parents with children with behavioural problems. They also publish advice for schools to help them tackle behavioural problems through improving school food.
Institute of Brain Chemistry and Human Nutrition http://www.north.londonmet.ac.uk/ibchn
The Institute, based at London Metropolitan University, undertakes research to understand how environmental factors, particularly nutrients, influence human development and health.
Institute for Food, Brain and Behaviour http://www.ifbb.org.uk/
IFBB conducts research into the link between nutrition and behaviour, promoting public understandint and working to effect policy change.
The Schizophrenia Association of Great Britain http://www.sagb.co.uk/
The Association runs a nutrient programme, offering free supplements and information, for those suffering schizophrenia.