The glycaemic index indicates how fast the blood glucose level is going to rise after eating a specific product. The basic value on the scale of that index is the rate at which pure glucose is absorbed (100). The index value of other products tells us how fast or slow we absorb the carbohydrates that they contain. For example, the index of strawberries is 25, which means that after eating them the blood glucose is going to rise 75% slower than in case of eating pure glucose with the same amount of carbohydrates.