Initially very convincing, with lots of references to scientific papers and studies. However the writer gets lazier as the book goes on, and starts to contradict himself and use anecdotal evidence for some pretty big parts of his argument.

The plan itself is too prescriptive and as a competent cook, I would have preferred a guide of ingredients and what to increase when. I don't have the resources, time or patience to follow the plan as it is, and it's very hard to extrapolate what is actually changing and developing through the pages and pages of recipes.

The tone is unbearable by the end too!

I can't speak to the actual effectiveness of his plant based variety of fiber approach yet. However I *am* convinced by it and will be trying to take it on.