Elite Burn Keto Reviews :Limits the amount of carbohydrate, encourages fat, and does not limit protein. While eating a lot of fat meant that he got full quickly and wasn't technically hungry, Mike did get a lot of cravings. "I even noticed a pattern where I was hungry just because I was bored," he said. "To my surprise, the first few days of keto weren't that bad," he said. "I was totally expecting that I would have 'keto flu' symptoms right off the bat. It wasn't that bad, I didn't have sugar withdrawal."