Dex4 comes in a variety of great tasting flavors and formats including tablets, gels and liquid. Each Dex4 glucose tablet contains 4 gams of fast-acting carbs, so you know exactly how much glucose you are taking with pre-measured servings. Formulated with pure d-glucose, Dex4 will get you back in range faster than any other carbohydrates. Nothing is faster than Dex4 and they're fat-free, caffeine-free, gluten-free, sodium-free so you don't get anything you don't want.