Store bought dark soy sauce usually contain wheat. To make your own gluten-free dark soy sauce, mix some 1 teaspoon molasses into 2 tablespoons gluten-free soy sauce.
For lower calorie version (298 calories/serving; 5 Freestyle points), substitute 2 pounds skinless, boneless chicken breast. Cook on high for 3-4 hours or on low for 6-8 hours.