Each dex4 glucose tablet contains 4g of fast-acting carbohydrates. Dex4 glucose tablets raise your blood sugar fast! great for mild and moderate episodes of hypoglycemia.features:dex4 glucose tablets come in easy opening, crush-proof bottle, with a re-sealable snap-cap, so you can take them anywhere! reduce the risk of over treatment with quick dissolving dex4 tablets. Because they provide precisely 4 grams of fast-acting carbohydrates its easier to calculate what you need with no unnecessary calories4 tabs for 16g of fast-acting carbsingredients: dextrose (d-glucose), maltodextrin, microcrystalline cellulose, citric acid, magnesium stearate, natural & artificial grape flavour, ascorbic acid, fd&c red #40, fd&c blue #2.