Effects of Betalains on Cardiovascular Health and Quality of Life

Inclusion Criteria: * Aged between 40 and 65 years * BMI between 25-29.9 kg/m2 * Own a smartphone. * Able to understand the nature of the study and give informed consent * Have not gained or lost more than 10% of body weight (within the past 3 months) * Not currently involved or have participated in another biomedical study (within the last 3 months) Exclusion Criteria: * Smoking or vaping (within the last 2 years) * Vegetarian or vegan (due to capsule material) * Medical history of chronic disease \[coronary artery disease, previous myocardial infarction (heart attack), stroke, peripheral artery disease, diabetes mellitus, chronic kidney disease, metabolic syndrome, malignancies, etc\] * Grade II hypertension (blood pressure: \>160/100 mmHg) * Under medication that can affect the cardiovascular system (within the last 2 months) * Taking supplements (except vitamin D and iron) (within the last month) * Intolerances or allergies toward beetroots, dragon fruit or rice hulls * History of excess alcohol intake or substance abuse. * Pregnant or planning to become pregnant in the next 6 months * Under hormonal replacement therapy (contraceptives are allowed)