Middle-aged adults
Conditions
Interventions
Intervention group: 24-week intervention period Tea catechin powder intake Resistance training (recommended: at least twice per week)
Control group: 24-week intervention period Consumption of pla
Sponsors
Kagoshima University
Central Research Institute, ITO EN Ltd
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Individuals without regular exercise habits 2) Men and women aged 40 to 64 years
Exclusion criteria
Exclusion criteria: 1) Those who do not intend to exercise during the period. 2) Those who drink green tea frequently (more than 4 cups per day) 3) Currently taking medication or receiving outpatient treatment for a serious medical condition 4) Those currently under medical supervision for exercise or diet therapy 5) Individuals for whom exercise is contraindicated by a physician's judgment 6) People who have ever felt unwell after the consumption of green tea 7) Individuals with a current or past history of drug or alcohol addiction 8) Individuals who are currently receiving outpatient treatment for mental disorders (e.g. depression) or sleep disorders, or who have a history of mental illness 9) Individuals with extremely irregular lifestyles and rhythms, such as eating and sleeping patterns 10) Pacemaker users 11) Individuals who have participated in other clinical trials (research) within 3 months prior to the date of consent, or who plan to participate in other clinical trials (research) during the study period 12) Persons who are unable to comply with the recording of compliance with the various survey forms 13) People with allergies to green tea, barley grass or starch 14) Individuals who are otherwise deemed ineligible
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Physical function (handgrip strength, knee extension strength, chair stand test), body composition, and quadriceps muscle cross-sectional area | — |
Secondary
| Measure | Time frame |
|---|---|
| Physical activity, sleep quality, sleep duration, and sleep efficiency | — |
Countries
Japan
Contacts
Public ContactDaijo Shiratsuchi
Kagoshima University Department of Physical Therapy, School of Health Sciences, Faculty of Medicine
Outcome results
None listed