Effects of L-theanine and GABA on sleep
- Conditions
- Healthy adults
- Registration Number
- JPRN-UMIN000050613
- Lead Sponsor
- Hiroyuki Konno, Japan Brain-Care Dementia Prevention Research Center.
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 20
Not provided
(1) Those who are currently diagnosed with insomnia or sleep disorders and are undergoing some kind of medical treatment. (2) Those who consume food or supplements containing L-theanine or gamma-aminobutyric acid. (3) Those who regularly use health foods or supplements that affect sleep. (4) Those with serious diseases such as glucose metabolism related disease, lipid metabolism related disease, liver disease, renal disease, cardiovascular disease, gastrointestinal disease, respiratory disease, hematological disease, autoimmune disease, endocrine system disease, metabolic system disease. Or those with a history of such diseases. (5) Those with a history of drug allergy or serious food allergy. (6) Those who have had abnormal laboratory values within the past year and have been considered to have problems participating in the study. (7) Those who have a disease that is currently undergoing medical visit, medical treatment, use of medication, or follow-up. (8) Those who are considered to be inappropriate as subjects based on the results of the questionnaire on the background of the subjects. (9) Those who are participating in other clinical studies at the start of this study. (10) Those who are pregnant or plan to become pregnant or breastfeed during the study period. (11) Those who are considered inappropriate to participate in the study by the study investigator (or the person in charge of the contract research organization).
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method