A low GI diet increases gut hormone production which leads to suppression of appetite and the feeling of fullness. This is the finding of new research being presented at the annual Society for Endocrinology BES meeting in Harrogate. Researchers from King's College London studied the effects of a low versus high GI meal on levels of gut hormones.
This is the first study to provide clues as to how a low GI meal produces satiety. GI is a ranking assigned to carbohydrates according to their effect on the body's blood sugar levels. A low GI meal takes longer to digest and releases sugar into the bloodstream more slowly than a high GI meal. High GI foods include white bread, croissants and cornflakes, whereas granary bread, milk and most fruit and vegetables are all classed as low GI foods.
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