Ketosis and athletic performance

The Sydney Morning Herald published an article on this topic last week (you can find it here). In it they describe how endurance athlete Tim Reed adopted a mostly ketogenic diet and the impact it has had on his performance. They also present work by professors Tim Noakes and Grant Schofield who are very well-known in the low carb high fat community.

Anyway, the article is pretty decent, except that they show a picture of a breakfast entitled “full fat: slow burn food?”. The plate contains potato chips, half a roasted tomato, 3 strips of roasted capsicum, baked beans, a sausage and a slice of toast topped with a fried egg. It looks very carb-loaded to me! I ran a search in and lo and behold, here’s the rough composition of the meal:

Food Portion size Fat Carbs Protein
Fast foods – Potato, french fried in vegetable oil (Generic) 1 small 16.0 34.0 4.0
Beans – Baked, canned, plain or vegetarian (Generic) 1/2 cup 0.0 27.0 6.0
Sausage – Beef, fresh, cooked (Generic) 50 g 14.0 0.0 9.0
Roasted Roma Tomatoes (Eurest) 1/4 cup 1.0 2.0 0.0
Pepper Red Roasted (Parkhurst) 1 Oz 0.0 1.5 0.0
Bread – White, toasted 1 slice 1.0 12.0 2.0
Eggs – Fried (whole egg) (Generic) 1 large 7.0 0.4 6.3
Total 39.0 76.9 27.6

Moral of the story: if you feel inspired by Tim Reed’s story give ketosis a shot but don’t think a breakfast like that will take you there.

If you want to learn more about ketosis and athletic performance check out Ben Greenfield and Dr Peter Attia‘s work.

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