2.5. Test Meals
glucose drink
The characteristics of the standardised breakfast, including quantity, composition, and timing, aligned with proposed definitions of ‘breakfast’ [The standardised lunch meal was composed of white bread without crust (Tesco, UK), margarine (‘Buttery Spread’, Tesco, UK), strawberry jam (Tesco, UK), salted crisps (Walkers, Reading, UK), and sparkling glucose drink (Lucozade Energy Original, Coleford, UK). The percentage of energy from macronutrients was 67% carbohydrate, 27% fat, and 6% protein. The calculated GI was 75 [