Study on the Effects of Beet Juice Intake on Agility Performance Immediately After Sprinting

Study on the Effects of Beet Juice Intake on Agility Performance Immediately After Sprinting - The Effect of Beet Juice Intake on Agility Performance Immediately After Sprinting: A Study of Soccer Players

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060485

Enrollment

Registered

2026-01-27

Start date

2025-08-11

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

None listed

Interventions

Beet juice containing 400mg of nitrates Vegetable juice free of nitrates

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: (1) Individuals who exercise regularly (2) Former soccer players (3) Excluding goalkeepers (4) Individuals who have fully understood the purpose and content of this test and provided written consent

Exclusion criteria

Exclusion criteria: (1) Smokers (2) Individuals taking regular medication (3) Individuals with a history of orthopedic injury within the past 6 months (4) Individuals currently consuming beet juice or nitrite-containing supplements (5) Individuals who consumed alcohol, caffeine, or nicotine within at least 6 hours prior to the experiment start time (6) Individuals who used oral disinfectants or mouthwash within 24 hours prior to the experiment (7) Individuals who consumed high-nitrate foods (e.g., spinach, lettuce) within 2 days prior to the experiment, on the test day, or during the washout period

Design outcomes

Primary

Measure	Time frame
Agility Test Completion Time	—

Countries

Japan

Contacts

Public ContactXueheng Yang

Kyushu University Graduate School of Human and Environmental Studies Behavioral Systems Major Health and Sports

yang.xueheng.684@s.kyushu-u.ac.jp080-3981-0950

Outcome results