Effect of Nutritional Supplementation on Nutritional Status & Rehospitalization in Malnourished Elderly Patients

The primary outcome is the mean difference in energy and protein as well as a selection of micronutrients (calcium, vitamin D, and Vitamin B12) after 12 weeks of intervention between standard care plus nutritional supplementation vs standard care. The secondary outcomes are body weight, nutritional status, body composition, physical performance, vitamin D level, and nonelective hospitalization The Study Hypothesize: The hypothesize that outpatients who receive nutrient-dense drinks (NDD) will have increased body weight, better nutritional status, better body composition, higher vitamin D level, better physical performance and reduced non-elective hospitalization than those receiving standard care after 12 weeks of intervention.