Ice cream candy and chocolate are not considered as good choices to treat hypoglycemia or low blood glucose. These items have fat in them that will slow down the release of glucose into the bloodstream and will not help in raising blood glucose fast enough.
Glucose tablets dissolve immediately and reach in blood fast enough to increase blood sugar level where is raisin have a low glycemic index so they also not very good for the hypoglycemic condition.
The pancreas produces the hormone insulin that is responsible for carrying sugar from my body to the cells for use. It has been shown that obese people will have a high incidence of diabetes, therefore it is advisable to lose weight and have a proper diet.