Effect of L-Citrulline after high-intensity interval exercise

Effects of L-citrulline supplementation on nitric oxide and antioxidant markers after high-intensity interval exercise in humans: a randomized controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20210323050758N1

Enrollment

Registered

2021-04-04

Start date

2018-12-06

Completion date

Unknown

Last updated

2021-04-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Evaluation of antioxidant markers.

Interventions

Intervention group: participants consume a solution of 12g of l-citrulline powder supplementation with water 1 to 2 hours before the start of the exercise. Control group: participants consume a soluti

Eligibility

Sex/Gender

Male

Age

20 Years to 23 Years

Inclusion criteria

Inclusion criteria: All healthy, trained male students at the University of Guilan

Exclusion criteria

Exclusion criteria: Being disease and injury free No history of surgery and musculoskeletal disorder during the last two years No history of ergogenic aids, supplements and drug use for in the last 6 months leading to the study

Design outcomes

Primary

Measure	Time frame
Nitric Oxide, Superoxide dismutase, Catalase, Glutathione peroxidase. Timepoint: Before exercise, immediately after , post 10, and post 30 after exercise. Method of measurement: Blood sampling.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactKosar Valaei

Rasht University of Medical Sciences

kosar.valaei94@gmail.com+98 11 4428 9094

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026