Effect Study of Marine Protein Hydrolysates to Prevent Loss of Muscle Mass and Physical Function in Frail Elderly

The purpose of this study is to determine whether a marine protein hydrolysate given as a supplement can prevent age related loss of muscle mass and loss of physical function in frail elderly. The study will recruit elderly living at home with help from municipal health care services, and a secondary goal of the study is to describe food habits, seafood intake and nutritional status in this group of patients. Edit: the recruitment procedure was changed in august 2017, to include elderly without help from municipal health care services. Participants are now recruited trough media and organizations for elderly, and these changes in recruitment procedure was approved by the ethics committee august 2017.