The effects of natural reduced water on cognitive function and immune function in healthy adults

The effects of natural reduced water on cognitive function and immune function in healthy adults - The effects of natural reduced water on cognitive function and immune function in healthy adults

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000050462

Enrollment

100

Registered

2023-03-01

Start date

2023-04-01

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

cognitive function / immune function

Interventions

Drink 1L of natural reduced water daily for 6 months Drink 1L of tap water daily for 6 months

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Old adults between 20 and 64 years old (regardless of gender)

Exclusion criteria

Exclusion criteria: *Persons who cannot give informed consent *Persons with a history of diabetes and hyperlipidemia *Persons with severe visual or hearing disabilities *Persons who have continuously drank natural reduced water in the last year

Design outcomes

Primary

Measure	Time frame
cognitive function immune function	—

Countries

Japan

Contacts

Public ContactTakamitsu Shinada

Tohoku University Smart Ageing International Research Center

takamitsu.shinada.c7@tohoku.ac.jp022-717-8824

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 11, 2026