Flash Keto Yes, with a bit uneasy start. But shortly the system will adjust, and within 4 days your system will begin changing for that better.Typical foods on a Keto Diet include nuts, whey protein, eggs, bacon, sausage, olive oil, butter, salmon, etc; may contains a superior amount of protein and fats and no carbs. A vitamin pill is often taken from a keto diet since you can eat much vegetables. (however you can eat minimal of one bowl of salad). It takes strong willpower to stay on keto as if you cheat once or eat something bad entire body will be out of ketosis. A procedure that took 3-7 days now has to be re-done.