Inclusion Criteria:  Healthy male Aged between 21 and 50-year-old Are of normal weight (BMI 18-25kg/m2) Stable weight for the previous 12 months (<5kg weight fluctuation in the previous year) Healthy dentition and ability to bite, chew and swallow normally No history of pain or discomfort in jaw movements or excessive teeth clenching or grinding No caries or periodontal disease  Exclusion Criteria:  Are a smoker Have any dislikes, intolerances or allergies to foods or common food ingredients e.g. nuts, soya, wheat, gluten, cereal, fruits, biscuits, dairy products, rice, vegetable, meat, seafood, sugar and sweetener, gelatin, natural food colourings or flavourings (e.g. MSG), etc. Have any specific dietary requirements and/ or restrictions (e.g. Vegan/ vegetarian, religious beliefs, lactose intolerance, calorie restricted diet etc.) Have sinus problems that affect your taste and smell Have known glucose-6-phosphate dehydrogenase (G6PD) deficiency Are taking insulin or medication known to affect your appetite or metabolism Have major chronic diseases such as heart disease, cancer or diabetes mellitus Have active Tuberculosis (TB) or currently receiving treatment for TB Have any known Chronic Infection or known to suffer from or have previously suffered from or is a carrier of Hepatitis B Virus (HBV), Hepatitis C Virus (HCV), Human Immunodeficiency Virus (HIV) Are a member of the research team or their immediate family members. Immediate family member is defined as a spouse, parent, child, or sibling, whether biological or legally adopted Are enrolled in a concurrent research study judged not to be scientifically or medically compatible with the study of the CNRC