Just looked this up and I will be trying it, it's gluten free, not sure about the amount of carbs, how big is a serving and the amount of Insulin to take, trial and hopefully not a lot of error ?
http://www.ditchthecarbs.com/2015/04/23/fat-head-pizza/
Nutrition Facts
Fat Head Pizza - The Holy Grail
Amount Per Serving
Calories 203Calories from Fat 151
% Daily Value*
Total Fat 16.8g26%
Total Carbohydrates 4g1%
Dietary Fiber 1.6g6%
Sugars 1g
Protein 11g22%
* Percent Daily Values are based on a 2000 calorie diet.