If you are going low - carb than you will need to avoid these but they are good for cyclic ketogenic diet if you were to have them once per week. (drjockers.com)
What you describe is known as cyclic ketogenic diet / carb cycling / carb loading. (ketodietapp.com)
At the end of my Carb Nite Solution experiment, which is a type of cyclic ketogenic diet, right before we went to Italy, I obtained a panel of labs which I plan doing a series of posts about. (bjjcaveman.com)