Jan de Vries was born in Holland in 1937. Although he graduated in pharmacy, he was soon drawn to study alternative medicine and worked with the renowned Dr Alfred Vogel for many years. In 1970 Jan De Vries opened his first clinic in Troon, and today he has clinics in Edinburgh, Belfast, Dublin, London and Manchester. De Vries has written extensively on alternative health issues and lectures throughout the world. He also makes frequent television and radio appearances.