I have PN.
Don't get me wrong, it's a great product in that it emphasizes exercise, protein, fruit, vegetables, whole foods...
The rest of it is just excessive and unimportant.
As I mentioned in a different thread, there are only two criteria that matter when it comes to creating your diet:
(1) make your diet functional so that it serves your body (protein, EFA, glycogen needs, micronutrients, fiber)
(2) make your diet sustainable