Glycaemic Control Effect of BSG and Underlying Gut - Related Mechanism in Singapore Adults With Metabolic Syndrome

Inclusion Criteria: * Male and female participants, aged 35-85 years old * English-literate and able to give informed consent in English * Willing to follow the study procedures * Meet any 3 of the 5 following NCEP-ATP III MetS criteria: waist circumference \> 102 cm (male), \> 88 cm (female) (For Asian population: Waist circumference \> 90 cm (male), \> 80 cm (female)); fasting glucose concentration ≥ 100 mg/dL or on medication; triglyceride ≥ 150 mg/dL or on medication; high density lipoprotein cholesterol (HDL) \< 40 mg/dL (male), \< 50 mg/dL (female); systolic or diastolic blood pressure \> 130/85 mmHg or on medication); Exclusion Criteria: * Significant change in weight (≥ 3 kg body weight) during the past 3 months * Allergy to barley, wheat, corn, egg, or other ingredients found inside the biscuits. * Acute illness at the study baseline * Exercising vigorously\* over the past 3 months. \*Defined as having \> 6 metabolic equivalents of exercise daily; approximately 20 mins of moderate intensity exercise (e.g. slow jogging) a day * Following any restricted diet (e.g. vegetarian) * Smoking * Have a daily intake of more than 2 alcoholic drinks per day * Taking dietary supplements or food which may impact the outcome of interests (e.g. fermented foods, probiotic supplement etc.) * Consumption of antibiotics over past 3 months. * Pregnant, lactating, or planning pregnancy in the next 6 months * Insufficient venous access to allow the blood collection * Prescribed and takin…