Sport Nutrition

Comparison of lactate and serum glucose changes with oxygen saturation, heart rate and VO2max in response to the consumption of L-carnitine and placebo during exhaustive exercise in active young men

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT2017051533979N1

Enrollment

Registered

2017-08-26

Start date

2016-11-30

Completion date

Unknown

Last updated

2018-02-22

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

Conditions

Consumption of L-Carnitine during Exhaustive Exercise. -

Interventions

Intervention 1: Giving L-carnitine supplement (3gr) along with solution of water (200gr) and a few drops lemon juice, at 90 minutes before Bruce graded exercise test on treadmill. Velocity and incline

Placebo

Giving L-carnitine supplement (3gr) along with solution of water (200gr) and a few drops lemon juice, at 90 minutes before Bruce graded exercise test on treadmill. Velocity and incline Increase in tre

Giving placebo that includes solution of water (200gr) and a few drops lemon juice, at 90 minutes before Bruce graded exercise test on treadmill. Velocity and incline Increase in treadmill gradually a

Eligibility

Sex/Gender

Male

Age

24 Years to 27 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: Male; Young; Physical health; Active in terms of physical activity and sports; Accommodation in a dormitory (to control nutritional conditions). Exclusion criteria: Having a history of cardiovascular and respiratory diseases; L-carnitine supplementation usage during a month before the start of the test.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Lactate. Timepoint: Before, Immediately and 4 min after the Bruce test. Method of measurement: By Lactometer.;Glucose. Timepoint: Before, Immediately and 4 min after the Bruce test. Method of measurement: By Glucometer.;Maximal Heart Rate (HRmax). Timepoint: Immediately and 4 min after the Bruce test. Method of measurement: By Oximeter.;Oxygen Saturation (%SO2). Timepoint: Before, Immediately and 4 min after the Bruce test. Method of measurement: By Oximeter.;Maximal Oxygen Consumption (VO2max). Timepoint: Immediately after the Bruce test. Method of measurement: Calculated by Bruce test and Formula.	—

Measure

Time frame

Lactate. Timepoint: Before, Immediately and 4 min after the Bruce test. Method of measurement: By Lactometer.;Glucose. Timepoint: Before, Immediately and 4 min after the Bruce test. Method of measurement: By Glucometer.;Maximal Heart Rate (HRmax). Timepoint: Immediately and 4 min after the Bruce test. Method of measurement: By Oximeter.;Oxygen Saturation (%SO2). Timepoint: Before, Immediately and 4 min after the Bruce test. Method of measurement: By Oximeter.;Maximal Oxygen Consumption (VO2max). Timepoint: Immediately after the Bruce test. Method of measurement: Calculated by Bruce test and Formula.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactMohsen Shabani

Shahid Rajaee Teacher Training University

m.shabani1986@srttu.edu+98 21 2297 0055

Outcome results

None listed

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