Effects of long-term glutamine supplementation on athlete's immunity, inflammation, and oxidative stress

Effects of long-term glutamine supplementation on athlete's immunity, inflammation, and oxidative stress - Effects of long-term glutamine supplementation on athlete's immunity, inflammation, and oxidative stress

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000056143

Enrollment

Registered

2024-11-13

Start date

2025-04-01

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

healthy individuals

Interventions

Participants will consume L-glutamine or placebo at a dose of 0.3 g/kg/day for 8 weeks, followed by a 4-week washout period, in a crossover trial lasting a total of 20 weeks. Participants will consu

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy athletes aged 18-29

Exclusion criteria

Exclusion criteria: 1. Abnormal findings on resting 12-lead electrocardiogram and/or blood pressure, Cannot limit drinking alcohol the day before the experiment, Smoking or taking antioxidant supplements, Taking anti-allergy agent or anti-inflammatory agent 2. Unable to participate in competitions or training due to injuries

Design outcomes

Primary

Measure	Time frame
immune, inflammation, oxidative stress markers / gut microbiome	—

Secondary

Measure	Time frame
VO2max	—

Countries

Japan

Contacts

Public ContactKatsuhiko Suzuki

Waseda University Faculty of Sport Sciences

katsu.suzu@waseda.jp04-2947-6898

Outcome results

None listed

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

Effects of long-term glutamine supplementation on athlete&#39;s immunity, inflammation, and oxidative stress