Ketogenic diets are characterized by high fat intake and drastic carbohydrate restriction, in recent years they have become one of the most popular weight loss diets worldwide, and are also used for the treatment of multiple chronic diseases. Despite its beneficial effects, approximately 10% of patients present some type of adverse effect, among which the alteration in lipid metabolism stands out, being evidenced in several studies that show that the implementation of this type of diets it may at some point raise total serum cholesterol and low-density lipoprotein (LDL) cholesterol, a factor associated with an increased risk of stroke.