Healthy adults
Conditions
Interventions
Use the 20mL measuring cup provided and take approximately 20mL of test beverage per day.
Use the 20mL measuring cup provided and take approximately 20mL of placebo beverage per day.
Sponsors
IMEQRD Co., Ltd.
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. 20 to 69 years old (at the time of submission of an informed consent document). 2. Healthy individuals (those who were judged to be healthy by the principal investigator). 3. Males and females. 4. Those who are concerned about gray hair. 5. Smartphone users (who can input their own data into the electronic diary). 6. Those who do not intend to change or do not change everyday lifestyle habits during the study period. 7. Those who can take test beverage continuously for 4 months. 8. Those who can provide a written informed consent.
Exclusion criteria
Exclusion criteria: 1. Those who are currently receiving some types of drug treatment (except for the drugs that are taken as needed). 2. Those who are receiving diet therapy or exercise therapy under the direction of a physician. 3. Those who have a past medical history of treatment for malignant tumor, heart failure, or heart attack. 4. Those who have undergone gastrointestinal surgery (except for appendectomy). 5. Those who have a past medical history of any of the following: hepatic or other major disorders (kidneys, endocrine, cardiovascular, gastrointestine, lungs, blood, and metabolism), or complications of the disorders listed above. 6. Those who have a past and current medical history of drug or food allergy. 7. Those who are currently taking health food (such as supplements or food products to maintain or restore health). 8. Those who work irregular hours (including those who work on the night shifts). 9. Smokers. 10. Those who had participated in another clinical trial conducted within a month prior to the submission of an informed consent document (including those who had taken test food during this study period). 11. Those who are currently pregnant or breastfeeding and those who want to become pregnant. 12. Those who were determined by the principal investigator to be unsuitable for participation in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Assessments of hair: black hair/gray hair ratios in measurement sites. | — |
Secondary
| Measure | Time frame |
|---|---|
| Telomere test; A questionnaire about bowel movement; Skin hydration, moisture, and elasticity; A questionnaire about the subjective symptoms of hair and skin conditions; Vascular density. | — |
Countries
Japan
Contacts
Public ContactYoshitada Hira
IMEQRD Co., Ltd. Planning and Sales Department
Outcome results
None listed