Effects of the timing of green tea intake on health-related parameters in older adults

Effects of the timing of green tea intake on health-related parameters in older adults - Effects of the timing of green tea intake on health-related parameters in older adults

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000058708

Enrollment

Registered

2025-08-07

Start date

2025-08-07

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Intake green tea in the morning for 8 weeks. Intake green tea in the afternoon for 8 weeks. Intake green tea in the evening for 8 weeks.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 65 yeras-old <=, 90 yeras-old > Obtained written informed consent from the participant before participation.

Exclusion criteria

Exclusion criteria: 1) Individuals with diabetes, renal disorder, dyslipidemia, etc. that require dietary restrictions, and those treated for these conditions. 2) Individuals taking antipsychotic or hormonal agents that may affect appetite. 3) Individuals who have experienced physical problems in the past due to a blood test.4)Individuals who have food allergies.5)Individuals who are set pacemaker and metal in body (excluding dental filling).6)Individuals who are engaged shift work and travel with jetlag within 2 weeks.

Design outcomes

Primary

Measure	Time frame
The concentrations of blood glucose and HbA1c	—

Secondary

Measure	Time frame
Low-density lipoprotein cholesterol levels, BMI	—

Countries

Japan

Contacts

Public ContactSaeka Fuke

Institute of Science Tokyo School of Environment and Society

fuke.s.75c0@m.isct.ac.jp03-5734-2904

Outcome results