Whereas at the time the notable RD’s tome was timely and cutting edge, the preceding couple of decades have rendered much of the book’s conventional wisdom somewhat outdated and possibly to some extent currently off-base.
To preface, it’s worth noting that Kleiner has since released a sequel to the book, The New Power Eating, that is certainly more up to date on today’s knowledge. But still, I’m curious to see how well the old edition holds up.
Kleiner obviously didn’t err based on the information available to everyone in her field at the time. No one then knew of the benefits of concepts like intermittent fasting, carb cycling, that the kidneys could in fact handle a large amount of protein without ill effect, that we didn’t necessarily need as much carbohydrate as they thought for intense activity, etc.
I’m reading through some of the book now, primarily initial sections on exercise fueling, before and after training. She echoes a lot of the conventional wisdom regarding endurance running nutrition, which as people know is very high-carbohydrate and carb-centered.
While the following is hardly comprehensive, I have read a few interesting points that are either not necessarily true today, or could well be valid today and has not been carried over into subsequent analyses.Continue reading