Healthy Adult
Conditions
Interventions
Ingestion of the test beverage.
Ingestion of the control beverage.
Sponsors
Osaka Metropolitan University
Integrated Health Science Co., Ltd.
Eligibility
Sex/Gender
Male
Inclusion criteria
Inclusion criteria: 1. Individuals who aged 20 to 39 and do not meet the exclusion criteria. 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 with food allergies. 6. Individuals who have smoked within one year prior to obtaining informed consent. 7. Individuals who consumed an average of five or more cups of tea per day within one month prior to obtaining informed consent. 8. Individuals who consumed an average of 5 or more lemons per day, or lemon-containing foods equivalent to about 5 lemons 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 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 autonomic nervous system activity and salivary stress markers after recovery from fatigue. | — |
Secondary
| Measure | Time frame |
|---|---|
| Subjective fatigue sensation after recovery from fatigue. | — |
Countries
Japan
Contacts
Public ContactKyosuke Watanabe
Integrated Health Science Co., Ltd. Research Division
Outcome results
None listed