As per the Health World Organisation's statisics, more than 1.000 million people in the whole world are over weight and at least 300 million are suffering with obesity. This group of people  may have certain health problems, to avoid these problems, Leiser carries out personal nutritional  research to get the exact information on the nutritional habits of the patient and plan a personalized diet to suit his/her taste.
Leiser personalized diets are balanced accordingly to the age and medical pathology of each individual.