The survey of changes in catecholamines, perception of pressure and lactate to caffeine-beet water supplement in runners

The effect of high-dose caffeine-beet juice supplementation with high, low dose and placebo on changes in catecholamines, lactate and pressure perception index before intense anaerobic activity in elite runners

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT20200707048041N2

Enrollment

Registered

2020-08-24

Start date

2020-02-24

Completion date

Unknown

Last updated

2020-09-07

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

Conditions

Changes in stress hormones such as catecholamines and lactate and heart rate in runners due to caffeine-beet juice supplementation.

Interventions

Intervention 1: Intervention and control group 1: High dose of combined supplement (9.6 mmol nitrate in beet juice made by Sensei Pharmaceutical Company and 400 mg of caffeine made by Karen Pharmaceut

Eligibility

Sex/Gender

Male

Age

18 Years to 30 Years

Inclusion criteria

Inclusion criteria: No history of metabolic disease No history of smoking Intolerance to beet juice, caffeine or other natural stimulants Do not use the drug during the research period Young elite male runners Ability to perform anaerobic activity

Exclusion criteria

Exclusion criteria: Having metabolic diseases such as heart disease and hypertension History of drug use History of tobacco use Having an intolerance to caffeine Non-runner Female gender

Design outcomes

Primary

Measure	Time frame
The hormone epinephrine in the blood. Timepoint: The first, second, seventh and eighth days of the intervention in the first phase of the intervention, which lasts a total of 14 days. This protocol is repeated in three stages and the consumption of supplements and subjects is changed. Method of measurement: Blood sampling.;Norepinephrine. Timepoint: The first, second, seventh and eighth days of the intervention in the first phase of the intervention, which lasts a total of 14 days. This protocol is repeated in three stages and the consumption of supplements and subjects is changed. Method of measurement: Blood sampling.;Blood lactate. Timepoint: The first, second, seventh and eighth days of the intervention in the first phase of the intervention, which lasts a total of 14 days. This protocol is repeated in three stages and the consumption of supplements and subjects is changed. Method of measurement: Lactometer.;Rating of Perceived Exertion. Timepoint: The first, second, seventh and eighth days of the intervention in the first phase of the intervention, which lasts a total of 14 days. This protocol is repeated in three stages and the consumption of supplements and subjects is changed. Method of measurement: Borg RPE Scale.	—

Measure

Time frame

The hormone epinephrine in the blood. Timepoint: The first, second, seventh and eighth days of the intervention in the first phase of the intervention, which lasts a total of 14 days. This protocol is repeated in three stages and the consumption of supplements and subjects is changed. Method of measurement: Blood sampling.;Norepinephrine. Timepoint: The first, second, seventh and eighth days of the intervention in the first phase of the intervention, which lasts a total of 14 days. This protocol is repeated in three stages and the consumption of supplements and subjects is changed. Method of measurement: Blood sampling.;Blood lactate. Timepoint: The first, second, seventh and eighth days of the intervention in the first phase of the intervention, which lasts a total of 14 days. This protocol is repeated in three stages and the consumption of supplements and subjects is changed. Method of measurement: Lactometer.;Rating of Perceived Exertion. Timepoint: The first, second, seventh and eighth days of the intervention in the first phase of the intervention, which lasts a total of 14 days. This protocol is repeated in three stages and the consumption of supplements and subjects is changed. Method of measurement: Borg RPE Scale.

—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactHadi Atarod

Islamic Azad university

atarodsportnutrition@gmail.com+98 21 2621 6193

Outcome results

None listed

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