Is it true that I can subtract grams of fiber from my total carb count?
Yes. In most cases, the fiber will not interfere with weight loss because it does not impact upon blood sugar levels. In fact, what used to be called Net Atkins Carbs, we now simply call Net Carbs—or the only carbs that you need to count when you do Atkins—are calculated by subtracting the number of grams of fiber from the total carb count. (Taken from Atkins.