Maltodextrin 1kg Ideal for weight gain (mix with protein for DIY gainer product) High (GI) Carbohydrate enhanced energy levels Although Maltodextrin is a complex carbohydrate, it rates quite highly on the Glycemic index (GI) just below simple carbohydrates like Dextrose. This means it causes your blood sugar levels to rise quickly, providing a rapid increase in available energy levels. Maltodextrin is the ideal carbohydrate for use whenever a quick & easily accessible source of energy is required & allows your body to replace used glycogen stores rapidly.