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Effects of exercise training and dietary supplements (beetroot juice and caffeine) on cardiovascular risk factors in obese men

The combination effects of Beetroots Juice and Caffeine with High-Intensity Interval Training on cardiovascular risk factors in Middle-Aged Obese Men

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
IRCT
Registry ID
IRCT20250531066002N1
Enrollment
72
Registered
2025-09-28
Start date
2025-10-23
Completion date
Unknown
Last updated
2025-10-13

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

Conditions

Obesity. Overweight and obesity

Interventions

Intervention 1: Intervention group 1: beetroot juice: a daily dosage of 70 mL of concentrated beetroot juice (Beet-It Sport Shot 400
James White Ltd, Ashbocking, UK), which contains 400 mg (6.4 mmol) of NO3? and capsules containing maltodextrin comparable to caffeine capsules. In addition, they perform high-intensity interval train
caffeine, a dosage of 6 mg/kg of body weight daily, using pharmaceutical-grade capsules. Moreover, a daily dosage of 70 mL of concentrated beetroot juice (Beet-It Sport Shot 400
James White Ltd, Ashbocking, UK), which contains 400 mg (6.4 mmol) of NO3?, and a placebo capsule similar to a caffeine-containing capsule. In addition, they perform high-intensity interval training (
the placebo group will administer capsules containing maltodextrin comparable to caffeine capsules, along with a beverage consisting of 1 g of powdered

Sponsors

The university of Halabja
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
30 Years to 50 Years

Inclusion criteria

Inclusion criteria: Obese men (BMI =30 kg/m²) Stable weight (±2 kg) for three months A sedentary lifestyle (<60 minutes/week of structured exercise in the past 6 months) No history of cardiovascular or metabolic illnesses, No use of nutritional supplements

Exclusion criteria

Exclusion criteria: Chronic illnesses Tobacco use Recent nitrate supplementation Habitual caffeine intake above 200 mg per day

Design outcomes

Primary

MeasureTime frame
Interleukine-6. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Elisa.;Interleukine-10. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Elisa.;TNF-a. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Elisa.;C-reactive protein. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Elisa.;Leptin. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Elisa.;Adiponectin. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Elisa.;Nitric oxide. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Elisa.;Endothelial nitric oxide synthase. Timepoint: Elisa. Method of measurement: Before starting intervention, and 48 hours after the last training session.;Oxidized low-density lipoprotein. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Elisa.;Plasma nitrate + nitrite (NOx) concentrations. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Griess assay and immunoassay techniques.;Insulin. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Elisa.;Total antioxidant status. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Using a microplate reader on serum samples with a commercial kit.;Total oxidant status (TOS). Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Using a microplate reader on serum samples with a commercial kit.;Plasma thiobarbituric acid-reactive substances. Timep

Secondary

MeasureTime frame
Body composition. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: Body composition analyzer.;VO2 peak. Timepoint: Before starting intervention, and 48 hours after the last training session. Method of measurement: A graded exercise test on a treadmill.

Countries

Iraq

Contacts

Public ContactDara Latif Saifalddin

The University of Halabja

dara.saifaddin@uoh.edu.iq+964 750 107 6597

Outcome results

None listed

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