Read it but not convinced! I think the fact he sells a load of expensive supplements is always a red sign. .. some research suggests that certain lectins could actually be beneficial in activating elements of the immune system. The much stronger evidence is that the longest-lived, healthiest people in the world tend to subsist largely on plant-based diets. (Those include lectins, often in abundance.) This case for basing a healthy life around what seems to be working for large groups of people in the real world is famously argued by Dan Buettner in his explorations of what he calls the blue zones.
Eliminating sugar and processed food is definitely a good start ...
One of the foods to elimiinate is kefir grains.. but when I messaged Dr Gundry's FB .. the reply said that my goats milk kefir was ok??
I did find it interesting that we need to e.g pressure cook quinoa ... so maybe making sure that certains foods are cooked properly is important..
I have tried a lot of different diets for ibd but not much luck still got flares (SCD, GAPS, Paleo, vegan FODMAP etc ) .. I kept hoping one would work. .. may be its looking at ways to help our gut microbiome and not totally eliminate any food group?? Just buy food around the perimeter of the supermarket (veg, fruit, meat fish etc) ...
Avoid stress, getting lots of sleep and some exercise ...
I hope the diet does help you.. let us know