Confectionary Arts International Tylose Powder.
This products can be used in place of Gum Tragacanth in gumpaste in the exact same proportions. It is the same product as CMC. This will give you a gumpaste that is pure white in color and very easy to work with. Weight-2 ounces. Certified Kosher by the Hartford Kashrut Commission.
Tylose can be used with fondant to make a really quick transition to gumpaste. Add 1-2 teaspoons of Tylose powder to 1 pound of fondant. Dry humidity less Tylose - High humidity more Tylose. Knead it in and let it rest overnight before using for best results. It can be used immediately if necessary.