Hypoglycemia can strike at any time, anywhere. It's important to know that Dex4 goes where you go-so you're prepared. This product used to raise low blood sugar episodes. The suggested serving is the contents of the entire pouch (15 grams of carbs). You may require more or less according to your age, body weight and trend or severity of your low blood sugar episode. Please consult your healthcare professional to determine the best serving size for you.