The Therapeutic Effect of Aspalathus linearis and High Intensity Interval Training in Young Overweight/Obese Women – A Randomized, Controlled Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202601761215044

Enrollment

Registered

2026-01-30

Start date

2024-05-20

Completion date

Unknown

Last updated

2026-06-22

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

Conditions

Nutritional, Metabolic, Endocrine

Interventions

Rooibos Group

High Intensity Interval Exercise Training

Rooibos tea and High Intensity Interval Training

Normal daily routine

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Age between 18-40 years Being apparently healthy (have not been diagnosed of any medical condition) Report of a BMI of =25 kgm-2 and =39 kgm-2 for 6 months before the study Answer “NO” to all the questions of the Physical Activity Readiness Questionnaire plus (PAR-Q+) and Have signed the informed consent form.

Exclusion criteria

Exclusion criteria: Pregnant or lactating On any dietary restrictions or chronic medications with the aim to lose weight, or undesirable alcohol consumption (>2 drinks per day) and smoking (> 5 cigarettes per day), Physically active (i.e. engaging in = 3 sessions of planned physical activity or exercise per week) Living with disability or musculoskeletal conditions that can limit or prohibit safe participation exercise participation Living with any reported acute illness, chronic disease or any other medical problems such as of CVD, renal, hepatic and endocrine disorders, as well as intestinal and gastrointestinal surgery during the health screening session that did not necessarily exclude them from physical activity by the PAR-Q+ Have been diagnosed with any of the metabolic disorders (such as hypo- or hyperthyroidism)

Design outcomes

Primary

Measure	Time frame
- Body Composition - Body Mass (kg), Body Fat (%), Muscle mass (g), Body mass Index, Visceral Fat, Abdominal Index, Sagittal Abdominal Diameter - Cardiorespiratory and Physiological parameters - Relative VO2peak (mL/kg/min), Systolic Blood pressure (mmHg), Diastolic Blood Pressure (mmHg), Resting Metabolic Rate (kcal), Maximal Fat Oxidation(g/min), Fat Oxidation (%VO2)Glucose (mmol/L) - Metabolic and Inflammatory Markers - Glycated Hemoglobin (%), HOMAR-IR, Insulin (mIU/L), CRP (mg/L), Hs-CRP (mg/L), IL-6 (pg/ml), Urate (mmol/L) - Dietary Intake - Total energy Intake (kcal), Carbohydrates (g), Protein (g), Fats (g)	—

Measure

Time frame

- Body Composition - Body Mass (kg), Body Fat (%), Muscle mass (g), Body mass Index, Visceral Fat, Abdominal Index, Sagittal Abdominal Diameter - Cardiorespiratory and Physiological parameters - Relative VO2peak (mL/kg/min), Systolic Blood pressure (mmHg), Diastolic Blood Pressure (mmHg), Resting Metabolic Rate (kcal), Maximal Fat Oxidation(g/min), Fat Oxidation (%VO2)Glucose (mmol/L) - Metabolic and Inflammatory Markers - Glycated Hemoglobin (%), HOMAR-IR, Insulin (mIU/L), CRP (mg/L), Hs-CRP (mg/L), IL-6 (pg/ml), Urate (mmol/L) - Dietary Intake - Total energy Intake (kcal), Carbohydrates (g), Protein (g), Fats (g)

—

Secondary

Measure	Time frame
Sleep quality index, Appetite, Moods states,	—

Countries

South Africa

Contacts

Public ContactElmarie Terblanche

Division of Sport Science

et2@sun.ac.za+27827076501

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Jun 29, 2026