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

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT02637570

Enrollment

Registered

2015-12-22

Start date

2015-10-31

Completion date

2015-12-31

Last updated

2017-08-11

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

Conditions

Healthy

Keywords

healthy male athletes, 18-35 years old

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.

Interventions

DIETARY_SUPPLEMENTgreen tea

DIETARY_SUPPLEMENTplacebo (dextrose)

DIETARY_SUPPLEMENTHibiscus tea

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

OTHER

Masking

DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender

MALE

Age

18 Years to 35 Years

Healthy volunteers

Yes

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

Design outcomes

Primary

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

Countries

Iran

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026