It can be a valuable step for some people. When I decided I was not going to do artificial colors and flavors, mostly because of my kids' behavioral...
I'd be questioning the protein shake (they can have all sorts of other stuff in them), the dairy products, and maybe even the banana (some people say...
I don't qualify as "old pro" by any stretch, but what is helping me right now is tea with some spices, orange and lemon juices, and a little honey. ...