I decided to take this course after following a ketogenic lifestyle for over 2 years. I knew most of the information and understood the science behind our metabolism before taking the course. The info that I found most valuable came later in Modules 4 & 5. The fasting video is MIND-BLOWING! It was exactly what I was looking for when I signed up. All of the info in this course is valuable and Bozzy is a great teacher. I have zero regrets around making this purchase.