Researchers conducted a small pilot study to see if a nutritional supplement could help with muscle loss in people with stable liver cirrhosis. The supplement contained HMB, protein, and calories. Twenty-one patients with both cirrhosis and muscle loss were randomly assigned to take either the supplement or a placebo drink for 12 weeks.
The main goal was to see if the supplement increased muscle mass. The study found no significant difference in muscle mass or handgrip strength between the group that took the supplement and the group that took the placebo. However, within the group that took the supplement, researchers saw some improvements in other measures, like a test of leg strength and a body composition reading called phase angle.
The supplement was reported to be well-tolerated with no significant side effects. The most important reason to be careful with these results is the study's small size. With only 21 people, it is very difficult to detect a true effect or to know if the findings would apply to others. Readers should view this as a very early step in research. It suggests the supplement might be safe to study further, but much larger and longer studies are needed to know if it is truly helpful.