After hearing a nutritionist speak at an M. E. group I came home and bought the book. I've since then signed up with nutritionist and have not felt so well in years - 17 to be precise. Working with both Erica White's book and plenty of nutrients it is changing my life for the better. Like I say amazing!!! It was hard giving up tea, coffee, alcohol, house plants, yeast etc. but is well worth the trouble. AMAZING!!!