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Glycemic index

Some low GI foods, such as wholegrain foods, fruit, vegetables, beans and lentils, are foods we should eat as part of a healthy, balanced diet. 

However, using the glycaemic index to decide whether foods or combinations of foods are healthy can be misleading.

Foods with a high GI are not necessarily unhealthy and not all foods with a low GI are healthy. For example, watermelon and parsnips are high GI foods, while chocolate cake has a lower GI value.

Also, foods that contain or are cooked with fat and protein slow down the absorption of carbohydrate, lowering their GI. For example, crisps have a lower GI than potatoes cooked without fat. However, crisps are high in fat and should be eaten in moderation.

If you only eat foods with a low GI, your diet may be unbalanced and high in fat.


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