Studies on in vivo effects of drinking a water product dissolving hydrogen gas as an in vitro antioxidant additive.

Studies on in vivo effects of drinking a water product dissolving hydrogen gas as an in vitro antioxidant additive. - Effects of drinking hydrogen gas-dissolving water

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000005779

Enrollment

Registered

2011-09-30

Start date

2009-05-01

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

Healthy adults

Interventions

Ingestion of 500ml per day of hydrogen gas-dissolving water for 1 week Ingestion of 500ml per day of control water without hydrogen gas for 1 week

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: healthy students

Exclusion criteria

Exclusion criteria: persons with hepatic or renal dysfunction and females females in menstruation period

Design outcomes

Primary

Measure	Time frame
the levels of serum LPO and urine 8-OHdG in subjects immediately before and after 1-week drinking period for 500ml per day of tap water with or without dissolved hydrogen gas at 0.34mg/l and 1-week before and after the drinking period.	—

Countries

Japan

Contacts

Public ContactAtsushi Hiraoka

Faculty of Health Sciences, Kyorin University Laboratory of Cytogenetics

hiraokaa@ks.kyorin-u.ac.jp042-691-0011

Outcome results

None listed

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