healthy adult
Conditions
Interventions
Intervention group: Participants will take one GABA capsule (500 mg) once upon waking.
Control group: Participants will take one placebo capsule (containing potato starch) once upon waking.
Sponsors
Hoshi University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Those who have received sufficient explanation about the purpose and contents of this research, have the ability to provide consent, voluntarily agreed after fully understanding the details, and provided written consent to participate. 2. Individuals who are not currently receiving treatment with psychotropic medications such as anxiolytics or antidepressants.
Exclusion criteria
Exclusion criteria: 1)Individuals who decline to participate in the study of their own volition. 2)Individuals with known allergies to any of the ingredients of the GABA capsule product. 3)Individuals deemed ineligible at the discretion of the principal
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Anxiety levels will be assessed using the State-Trait Anxiety Inventory (STAI), a validated instrument for measuring both state and trait anxiety, to evaluate changes associated with GABA capsule intake | — |
Secondary
| Measure | Time frame |
|---|---|
| 1)Changes in sleep quality will be assessed using the Pittsburgh Sleep Quality Index (PSQI). 2)To Evaluate changes in sleep quality using variations in nighttime sleep proportion measured by a smartwatch. 3)To Evaluate the impact on mental health (well-being) using the WHO-5 Well-Being Index. 4)To Evaluate physiological changes in stress using the measurement results of salivary alpha-amylase. 5)To Evaluate changes in concentration by having participants self-assess using a five-point Likert scale. | — |
Countries
Japan
Contacts
Public ContactNobuyuki Wakui
Hoshi University Practical Education and Research Division
Outcome results
None listed