Healthy Adults
Conditions
Interventions
Intake of the test tea.
Intake of the control tea.
Sponsors
Integrated Health Science Co., Ltd.
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: 1. Healthy female individuals aged 25 to under 60 years. 2. Individuals who understand the contents of the informed consent explanation and can provide written consent voluntarily. 3. Individuals who do not meet any of the exclusion criteria.
Exclusion criteria
Exclusion criteria: 1. Individuals with a history of serious diseases of the brain, nervous system, cardiovascular system, renal failure or other severe disorders. 2. Individuals with a history of seizures (such as loss of consciousness, coma, or convulsions) due to neurological disorders. 3. Individuals who are currently under treatment or those taking prescribed medications. 4. Individuals who have difficulty performing essential evaluation items in this study due to hearing or visual impairments. 5. Individuals who have smoked within one year prior to obtaining informed consent. 6. Individuals who are currently pregnant or breastfeeding. 7. Individuals with food allergies. 8. Individuals who consumed an average of five or more cups of tea per day within one month prior to obtaining informed consent. 9. Individuals who are currently participating in another clinical trial, or who have participated in another clinical trial within one month prior to obtaining informed consent. 10. Individuals who cannot follow instructions for infection prevention (e.g., wearing a mask). 11. Individuals judged as inappropriate for participation by the principal investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Changes in fatigue- and recovery-related indicators after 4 weeks of tea intake. | — |
Secondary
| Measure | Time frame |
|---|---|
| Changes in psychophysiological and biochemical measures after 4 weeks of tea intake. | — |
Countries
Japan
Contacts
Public ContactKyosuke Watanabe
Integrated Health Science Co., Ltd. Research Division
Outcome results
None listed