Effect of Hibiscus Tea and Green Tea Supplements on Athletic Performance, Blood Pressure, Muscle Damage Indices and Oxidative Stress

Not Applicable

Completed

• Conditions: Healthy
• Interventions: Dietary Supplement: Hibiscus tea; Dietary Supplement: green tea; Dietary Supplement: placebo (dextrose)

• Registration Number: NCT02637570
• Lead Sponsor: Isfahan University of Medical Sciences

Brief Summary

This study evaluated effect of Hibiscus tea and green tea supplements on athletic performance, blood pressure, muscle damage indices and oxidative stress in male athletes 18-35 years old and cardiovascular disease prevention approach.

Detailed Description

Not available

Study Timeline

• Study Start: 2015-10
• Study First Submitted: 2015-10-19
• Primary Completion: 2015-12
• Study Completion: 2015-12
• Study First Submitted QC: 2015-12-18
• Study First Posted: 2015-12-22
• Status Verified: 2017-08
• Last Update Submitted: 2017-08-09
• Last Update Posted: 2017-08-11

Recruitment & Eligibility

• Status: COMPLETED
• Sex: Male
• Target Recruitment: 60

Inclusion Criteria

• age between 18 to 35 y/o
• no history of smoking or alcohol consumption
• no taking nutritional sport supplements during the last 2 months

Exclusion Criteria

• any injury during intervention
• any inflammatory disease during the intervention

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Hibiscus tea	Hibiscus tea	420 mg Hibiscus 2 hour after dinner with 1 glass of cool water every day
control group	green tea	450 mg placebo (dextrose) 2 hour after dinner with 1 glass of cool water every day
Hibiscus tea	placebo (dextrose)	420 mg Hibiscus 2 hour after dinner with 1 glass of cool water every day
control group	Hibiscus tea	450 mg placebo (dextrose) 2 hour after dinner with 1 glass of cool water every day
green tea	green tea	450 mg green tea 2 hour after dinner with 1 glass of cool water every day
green tea	placebo (dextrose)	450 mg green tea 2 hour after dinner with 1 glass of cool water every day

Primary Outcome Measures

Name	Time	Method
serum's malondialdehyde	6 weeks	it will asses by spectrophotometry.
athletic performance assess by heart rate in step test (Harvard test).	6 weeks
blood pressure	6 weeks
serum's lactate dehydrogenase	6 weeks	it will asses by calorimetry.

Trial Locations

Locations (1)

male sports club members of Isfahan university of medical sciences; 🇮🇷 Isfahan, Iran, Islamic Republic of