An Objective Review of John Kiefer’s Carb Back-Loading (Part 2)

An Objective Review of John Kiefer’s Carb Back-Loading (Part 2)

The Limitations of CBL

Some general concerns with CBL

Firstly, I don’t think that eliminating carbs all day is needed for most people, and is potentially detrimental to some, especially those who generally don’t feel good on low carbs, or athletes with high carb requirements. Given the requirement to train in the late afternoon/early evening, CBL is also not practical for those who train in the morning or afternoon. However, Kiefer does address this issue and adapts CBL for people who have work/family commitments that would clash with early evening training. To me, this somehow contradicts all what is said in the rest of the book with regards to physiology and circadian rhythms.

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An Objective Review of John Kiefer’s Carb Back-Loading (Part 1)

An Objective Review of John Kiefer’s Carb Back-Loading (Part 1)

For those that don’t know anything about the author or the book, John Kiefer holds a bachelor’s degree in Physics and Mathematics as well as a master’s degree in Physics, and is the owner of the Dangerously Hardcorewebsite. In addition to Carb Back-Loading(CBL), Kiefer has written a previous book titled The Carb Nite Solution. From his credentials and by listening to him on various podcasts and YouTube videos, Kiefer comes across as an intelligent and genuinely nice guy, so that’s where the personal judgments stop. As such, in this review, I’ll take a reasonably in depth look at CBL and examine whether the claims behind it withstand scientific scrutiny.

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