Effect of whey protein supplementation after resistance exercise on the treatment of sarcopenia and quality of life among older women with sarcopenia: A randomized controlled trial

TL;DRAbstract

To evaluate the effectiveness of a 24-week nutritional supplementation program involving whey protein intake after resistance exercise in treatment of sarcopenia and quality of life (QOL) among older women with sarcopenia, we carried out a pilot study, randomized controlled trial among elderly individuals with sarcopenia, aged 65-years or older, who were allocated to three groups: exercise and whey protein supplementation (Ex+Whey) group, exercise (Ex) group, and whey protein supplementation (Whey) group. Sarcopenia was defined using the Asian Working Group for sarcopenia 2014 criteria, as follows: low hand-grip strength (<18.0 kg) or slow gait speed (<0.8m/sec), and low skeletal muscle mass index (SMI, <5.7kg/m2). A 24-week program of resistance exercise, carried out twice per week, was combined with whey protein supplementation, involving 11.0 g of protein and 2,300 mg of leucine. After the 24-week intervention period, the Ex+Whey group (n=20) showed a decrease in sarcopenia, lower S

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