Keto Complete:- Choosing the full fat, the regular one is the way to go when it comes to sticking to your high fat keto diet. Keto Complete Reviews Reduced or fat-free options of cream cheese will not have enough fat. In addition to not having as much fat in each serving, reduced or fat-free options are also higher in carbs, which is what you are trying to limit while on the ketogenic diet. The reason that a keto diet or supplement is effective is due toBHB (beta-hydroxybutyrate). BHB is the chemical in the body that pushes it into ketosis.