An investigation for the efficacy of tuna dark muscle ingestion on physical performance, fatigue level, and on clinical data in male long distance runner

An investigation for the efficacy of tuna dark muscle ingestion on physical performance, fatigue level, and on clinical data in male long distance runner - Tuna dark muscle ingestion

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1030230555

Enrollment

Registered

2024-01-10

Start date

2023-12-27

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

Fatigue recovery power

Interventions

Tuna dark muscle ingestion

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: *A healthy man who is active as a long-distance runner *Age:18 years old or older, 25 years old or younger *Healthy person not receiving treatment or medication

Exclusion criteria

Exclusion criteria: *Currently receiving treatment or medication *Persons suffering from heart or kidney disease, diabetes, or other serious diseases *Persons who have a history of severe illness in the past and are considered unable to participate in the study *Persons at risk of developing allergies related to research

Design outcomes

Primary

Measure	Time frame
Fatigue recovery level	—

Secondary

Measure	Time frame
Questionnaire: fatigue level, general malaise, muscle pain, joint pain Athletic ability: running speed, endurance *Myogenic enzymes: LDH, CPK, GOT etc.	—

Contacts

Public ContactYasuhiro Nishizaki

Tokai University School of Medicine

y-nishizaki@tokai.ac.jp+81-463-93-1121

Outcome results

None listed

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