Anybody who has done keto and lost weight certainly does not say they had evergy on it. Those first couple weeks are terrible and you never quite have the energy you want. Thankfully it is a short term diet with specific targets in mind. Any positive effects after stopping keto are from the weight loss in general. Even keto diets recommend against a high saturated fat content but with keto your body is in a specific state that blunts the effects of a high saturated fat intake.

When you go off keto you cannot maintain the high saturated fat intake without measurable negative impacts.