The ketogenic diet shows a slight advantage for initial weight loss, but this advantage disappears by the third or fourth week.

“now it brings us to all the weight loss studies which have been done either with a lowfat diet or low carbohydrate diet if you do a metaanalysis it seems that there is a slight advantage to the ketogenic diet for the weight loss period and uh you know I mean basically I was surprised and I was as a Swiss you know I was kind of a little bit more neutral sometime rather than the two camps the red and the blue I I I was surprised that there was this effect but it disappeared at the fourth week or the third and the fourth week”