If he sticks with it, it's going to work. All starch diets bring people to healthy weights. I've been doing (mostly) ketosis for years and I still know his all potato diet can work for weight loss. It's just going to be a very… tasteless… few weeks/months. Your poop is going to be unpleasant too. It's always interesting to me that people can succeed on extreme diets like this rather than adjust their lifestyles to wh…
> It's always interesting to me that people can succeed on extreme diets like this rather than adjust their lifestyles to whole food home cooked healthy eating. Like almost no one can tolerate ketosis but they can do extreme diets like day+ fasting or fad diets. They don't actually succeed. They succeed for a short time, because of the motivation rush, and will post about their success; then they will lose the motiva…
>People on a very low energy diet (VLED) were more successful at dieting that people on a hypocaloric balanced diet (HBD) which is basically a normal diet with slightly lowered calories to allow for weight loss. The average weight-loss maintenance on a VLED was about 15 pounds (29% of the total weight they had lost), compared to about 4.5 pounds (only 17% of the total weight they had lost) on a HBD. Basically, very low energy diets result in more weight loss and you’re likely to keep more of it off.
Study itself:
https://academic.oup.com/ajcn/article/74/5/579/4737391
Summary quote from:
http://gregnuckols.com/2013/06/04/slow-and-steady-weight-los...
Whose generally has good reputation in the science based fitness circles.
Personally, I endorse this method.