Inclusion Criteria:  Non-smokers (due to the well-known impact of smoking on appetite. Not currently on a weight management program or have an unusual eating pattern (i.e., extended fasting periods >8 h other than overnight). Have maintained a stable weight for 6 months (self-reported). No history of gastric, digestive, cardiovascular or renal disease (self-reported).  Exclusion Criteria:  Severe food allergies, dislike or intolerance of study foods or drinks. Currently undergoing a lifestyle intervention (structured diet or exercise). Diagnosis of a condition or currently undergoing treatment therapy known to affect glucose or lipid metabolism (e.g., type-2 diabetes, taking statins), or contraindications to exercise. Use of medication or supplements that may affect hormone concentrations and/or substrate metabolism. Excessive alcohol consumption (>14 units/week). Intensive training schedule (>10 hours/week).