The average age of the participants ranged from 54 to 72.

The trials compared the following:

Cycling to no intervention
Resistance training and nutritional supplements to nutritional supplements alone
Nonalcoholic beer, exercise, and nutritional supplements to exercise and nutritional supplements
Branched-chain amino acids) and exercise to exercise alone
Vitamin Dor HMB to a placebo or no intervention

The intervention duration ranged from 8 to 12 weeks in all but 1 trial. The interventions did not improve handgrip strength or 6-minute walk test performance compared with the controls.

The role of exercise and nutrition in adults with liver cirrhosis and sarcopenia Original paper