Blend rice flour, cornstarch, tapioca starch, xanthan gum, baking powder and salt until smooth.
In another bowl, mix the eggs, cranberry juice, vinegar, oil, marmalade and water, thoroughly with the electric mixer. Then add in flour mixture.
Fold in the cranberries then pour in greased/paper lined muffin tins. Let the mixture sit for about 30 minutes then bake at 350°F for 25 minutes, or until internal temperature of muffin reaches 205°F, using an instant read thermometer.