Mr. Beer 20030 Booster Pouches
You can substitute Booster for all or part of the sugar in a recipe to give beer a fuller body, enhanced flavor, and even balance.  Booster is an all natural ingredient used in brewing to enhance the flavor and body of beer.  The ingredient spectrum of booster is characteristic of an all-malt wort with a typical carbohydrate profile of 56% Maltose, 16% Maltotroise, 20% higher Saccharides (Dextrins), and 8% Dextrose.