Improvement of brain function due to long-term chocolate intake.

Improvement of brain function due to long-term chocolate intake. - Chocolate intake and brain function

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000029028

Enrollment

Registered

2017-09-06

Start date

2017-09-07

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Adult

Interventions

Oral intake of dark chocolate (4 weeks) 24 g/day (135 kcal/day) Oral intake of white chocolate (4 weeks) 24.5 g/day (145 kcal/day)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Those who are more than 20 years old. 2)Those who agreed to participate in research. 3)Those who have no health problems.

Exclusion criteria

Exclusion criteria: 1)Those who have a smoking habit. 2)Those who intake caffeine more than 400 mg per day.

Design outcomes

Primary

Measure	Time frame
Stroop color word test	—

Secondary

Measure	Time frame
1) Cerebral blood flow 2) Blood composition	—

Countries

Japan

Contacts

Public ContactYoko Tanabe

Shimane University Faculty of Medicine

tanabey@med.shimane-u.ac.jp0853-20-2113

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026