(1) Ketone Slims – best keto diet

Should You Do CrossFit on a Ketogenic Diet?

In this video I analyze a masters thesis by Rachel Gregory where CrossFitters from Rocktown CrossFit were randomized to a control group or a low-carbohydrate, ketogenic diet group. The low-carb group lost weight and fat mass and did not lose performance. I discuss why I don’t believe this study gets to the heart of my concerns about ketogenic diets and carbohydrate restriction in general: I would expect carbohydrate restriction to hurt weight lifting in sets of 5-8 reps, such as a 5RM, and to hurt performance in sports like baseball, basketball, football, soccer, tennis, and racquetball, but not a 6-7 minute CrossFit WOD. I also am concerned that for some people whose “stress bucket” is too full, such a diet would lower T3 and sex hormones while raising cortisol and LDL-cholesterol, an overall picture of insufficient carbohydrate intake that would expect to compromise long-term health.

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