keto update:  start of day 4, -1.7 kg, still not in ketosis

Most of the weight loss will have been glycogen and water so far. I'm probably still eating too much protein and getting sugar via gluconeogenesis. 

 Don't worry. The first time always takes a while. Could indeed be the proteins but i think you should only change something if you are not into (light) ketosis after 10 days or so.

Any signs of keto flu yet? 

 No symptoms. I feel normal.