The Effectiveness of a Health Promotion Program for Older People With Post-Covid-19 Sarcopenia

The goal of this clinical trial is to investigate the prevalence of sarcopenia in older people with post-COVID-19 living in Ratchatewi district, Bangkok and to test the effectiveness of health promotion program for older people with post-COVID-19 Sarcopenia. The main questions it aim to answer are: • How many is the prevalence of sarcopenia in older people with post-COVID-19 living in Ratchatewi district, Bangkok? • Can the health promotion program improve muscle mass and muscle strength in older people with post-COVID-19 Sarcopenia ? Participants will be asked eating protein supplement one scoop /day and exercising 2 times/week for 3 months.