ION was founded in 1984 and is an independent charity that is dedicated to educating the general public and health professionals into delivering optimum nutrition. I have been on this course and studied for 3 years to obtain a diploma in nutrional therapy and it is really good.If you are interested in kowning more about what to eat and waht is good for you then look for a pracioner with the letters Dip ION after their name.Thye also have an onsite clinic that treats certian types of disorders. read more