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.
The NHS explains: “Foods with a high GI are not necessarily unhealthy and not all foods with a low GI are healthy.
“For example, watermelon and sometimes parsnips are high GI foods, while chocolate cake has a lower GI value.”
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