What is a zone diet block?
The Zone Diet works on the theory that excess insulin, a hormone that helps control our blood sugar levels, makes us fat and keeps us fat. By closely regulating our blood sugar levels and therefore keeping our levels of insulin in a tight ‘zone’, the body burns fat more efficiently so that we lose weight. To control blood sugar levels and consequently insulin levels, you need to get the perfect balance of carbohydrates, proteins and fats in every meal. The idea is that to reach ‘The Zone’, every meal and snack should provide 40 percent of calories from carbohydrate, 30 per cent from protein and 30 per cent from fat. This is what some Zone fans call the 40:30:30 ratio. To help with this, ‘Zone Food Blocks’ have been developed, where each ‘block’ contains a standardised amount of carbohydrate, protein or fat. To lose weight, a certain number of blocks are allocated for each meal and snack. The number of Zone Food Blocks you should have each day is calculated according to your weight, hei
