The effect of L-arginine with vitamin C supplementation on nitrogen balance , body composition, VO2max, serum growth hormone, testosterone and cortisol in male body builders

Phase 3

• Conditions: Condition 1: l-arginine and vitamin c supplementation. Condition 2: athletic performance,vo2max. Condition 3: nitrogen balance. Condition 4: Growth Hormone ,testosterone and cortisol. Condition 5: male body builders.

• Registration Number: IRCT20130616013678N28
• Lead Sponsor: Oroumia University of Medical Sciences

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Last Update Posted: 25 February 2019

Recruitment & Eligibility

• Status: Complete
• Sex: Male
• Target Recruitment: 54

Inclusion Criteria

tend to participate in the study
male gender; Due to better access to male athletes rather than female athletes and tend to use supplemen
healthy people
age group between 18-35 years old
Participants have done strength training for at least 1 year 3 times a week

Exclusion Criteria

Consumption of anabolic drugs
Using cigarette and alcohol
Consumption of vitamin C and L-arginine supplement before the intervention
Having a certain diet
Consumption of any supplement during the study
People with cardiovascular diseases, pulmonary disease, diabetes, hypertension, acute psychiatric disorders, cold, inflammatory diseases, hypothyroidism
Physical injury and illness during the intervention period
Consumption of anti-inflammatory agents before and during the intervention
Consumption of other supplements at least one month before the intervention

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Growth Hormone. Timepoint: before and 6 weeks after trials. Method of measurement: lab test.;Testostrone Hormone. Timepoint: before and 6 weeks after trials. Method of measurement: lab test.;Cortisol Hormone. Timepoint: before and 6 weeks after trials. Method of measurement: lab test.;Nitrogen Balance. Timepoint: before and 6 weeks after trials. Method of measurement: lab test(24 hours urine collection and measurement of nitrogen urinary urea ) and 24 hours recall (Determination of protein intake and calculation of nitrogen intake).;Body composition (fat and protein percentage). Timepoint: before and 6 weeks after trials. Method of measurement: Body composition analyzer (BIA).;Maximal oxygen consumption. Timepoint: before and 6 weeks after trials. Method of measurement: Queens step Test.