Ketosis, carbs, performance

by (2923) Updated February 19, 2014 at 8:12 PM Created July 16, 2013 at 11:57 AM

So I've been reading a bit over at Paul Jaminet's site about ketosis being able to be induced even when someone eats a reasonable amounts of carbs. This works through one flooding the body with ketones by eating something like oil coconut or ideally MCT.

Now, theoretically or practically, do you think athletic performance could be increased by having both metabolic pathways 'active' at the same time? Say for soccer (which I play), would ketones allow for increased endurance, and the glycolytic pathways the necessary explosiveness?

Could my creamed coconut and banana before matches be more than just tasty? :p

I'd be interested in experiences, thoughts, your understanding(s). Please, range widely :)


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3 Replies

7249 · July 16, 2013 at 1:44 PM

As a competition weightlifter and avid rock climber, I prefer to be just out of ketosis. When I reduce my carbs too much, I do not replenish my glycogen enough for explosive activity. I don't go out of my way to count carbs, but when I do, it seems I average about 100g per day. I eat butternut squash fairly regularly, occasionally sweet potatoes, and at least one piece of fruit a day. You might just want to do an N=1 experiment, but remember that to up regulate enzymes for maximum performance, the experiment needs to last at least a few weeks.

1600 · July 16, 2013 at 1:30 PM

I know that for marathoners, paul advises being ketogenic and then carb loading about a week before the marathon. I thought mark sisson also advised something like this if you're going to run a marathon.

Seems like a question for Peter Attia perhaps.

In general I've found ketosis to be good if I'm sitting in the office all day, pulling hard mentally. But physically, for explosiveness, running, ultimate frisbee, etc. I need carbs or I start to feel run down.

26354 · July 16, 2013 at 5:26 PM

Working on a high carb ketosis experiment. Right now I am consuming 90g of carbs and staying in ketosis. This is with no MCT or coconut oil. Eating carbs post-workout and exercising at full intensity. With moderate fat, high protein, and slight calorie deficiency.

So far my performance (weight lifting, 100m and 200m sprints, and 5k run) have not gotten significantly better, but I am maintaining my progression.

Sleep and mental clarity seem better. Digestion and excretion is close to perfect.

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