Here's why: An important area where potatoes and sweet potatoes differ is in their glycemic index (GI), a scale from 0 to 100 that rates how quickly a food will cause your blood sugar to rise.
sweet potatoes do have an abundance of cancer-fighting beta carotene and vitamin A. They may also have a lower glycemic index (GI) than ordinary potatoes, which means they release sugars more ...
Sweet potatoes have a slightly lower glycemic index (GI) than white potatoes, likely due to their higher fiber content. A boiled white potato has an average GI of 71, while a boiled sweet potato ...