It can be dangerous for people with type 1 diabetes, as it can increase the risk for life-threatening diabetic ketoacidosis . Even people with type 2 diabetes following a ketogenic diet should regularly test their blood sugar and ketone levels to prevent DKA. If you have kidney disease, you’d want to skip this diet because you’d need to limit your protein intake. And if you have a history of disordered eating, the diet severely limits carbs and takes a lot of control to follow — which may increase the risk of bingeing or compulsive overeating. Consult with your doctor to determine if this is the right diet for you.