The simultaneous effect of Tribulus supplementation and resistance training on muscle strength of athletes

A comparative analysis of the impact of two resistance training loading protocols, combined with Tribulus supplementation, on hormonal responses and muscle strength in young athletes.

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

IRCT

Registry ID

IRCT20250203064626N1

Enrollment

Registered

2025-09-07

Start date

2025-06-02

Completion date

Unknown

Last updated

2025-09-15

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

Conditions

Obesity. Obesity, unspecified

Interventions

Intervention 1: Intervention Group 1: will perform resistance exercises with a new protocol. Intervention 2: Intervention Group 2: will perform a traditional resistance training protocols. Interventio

Eligibility

Sex/Gender

Male

Age

25 Years to 45 Years

Inclusion criteria

Inclusion criteria: Engagement in consistent physical exercise over the previous year. Avoid musculoskeletal injuries or particular illnesses. Refrain from utilizing additional supplements.

Exclusion criteria

Exclusion criteria: Participants have the option to withdraw from the plan at any time. Sustaining physical harm and acquiring specific illnesses. Absence from over three sessions.

Design outcomes

Primary

Measure	Time frame
Cortisol. Timepoint: The assessment period will occur prior to the initiation of the intervention and again following eight weeks of training and supplementary interventions. Method of measurement: Measurements are conducted utilizing specialized kits and the ELISA technique.;Testosterone. Timepoint: The assessment period will occur prior to the initiation of the intervention and again following eight weeks of training and supplementary interventions. Method of measurement: Measurements are conducted utilizing specialized kits and the ELISA technique.;Muscle Strength. Timepoint: The assessment period will occur prior to the initiation of the intervention and again following eight weeks of training and supplementary interventions. Method of measurement: It is performed using a fitness machine and a dynamometer.;Body Fat Percentage. Timepoint: The assessment period will occur prior to the initiation of the intervention and again following eight weeks of training and supplementary interventions. Method of measurement: Body fat percentage is determined with a body composition measuring device (In-Body).	—

Measure

Time frame

Cortisol. Timepoint: The assessment period will occur prior to the initiation of the intervention and again following eight weeks of training and supplementary interventions. Method of measurement: Measurements are conducted utilizing specialized kits and the ELISA technique.;Testosterone. Timepoint: The assessment period will occur prior to the initiation of the intervention and again following eight weeks of training and supplementary interventions. Method of measurement: Measurements are conducted utilizing specialized kits and the ELISA technique.;Muscle Strength. Timepoint: The assessment period will occur prior to the initiation of the intervention and again following eight weeks of training and supplementary interventions. Method of measurement: It is performed using a fitness machine and a dynamometer.;Body Fat Percentage. Timepoint: The assessment period will occur prior to the initiation of the intervention and again following eight weeks of training and supplementary interventions. Method of measurement: Body fat percentage is determined with a body composition measuring device (In-Body).

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Countries

Iran (Islamic Republic of)

Contacts

Public Contact?Vazgen Minasian

University of Isfahan

v.minasian@spr.ui.ac.ir+98 31 3736 2369

Outcome results

None listed

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