Weight reduction program planning services; supervision of weight reduction programs; providing weight control evaluation; weight control treatment services, namely, weight management services, namely, providing weight reduction and/or weight maintenance programs; consultancy relating to nutrition; counseling relating to nutrition; nutritional advisory services; providing information in the field of nutrition; providing online information in the field of medical services and veterinary services; advisory services relating to diet; counseling services in the field of diets; medical services, namely, dietetic counseling services; providing advice on diets