From the product description, check product page for current description, price and availability:

• Highly fermentable – perfect for increasing gravity/ alcohol
• Use 4oz-5oz per 5 gallons to prime
• Dextrose monohydrate (pure d-glucose)

Pure corn sugar (Dextrose monohydrate) for use as an adjunct in brewing, for winemaking, or for priming bottle conditioned beers. Half as sweet as table sugar (sucrose), but it has a neutral flavor that will not change the taste of your fermented beverage.