In doing research about training for another Ironman, I ran across hundreds of athletes reducing carbohydrate intake to create ketones for energy. In the past, the modus operandi was to carb load before an event, ingest hundreds of calories several hours prior to the race, and keep up with the 400-500 glycogen deficit during the next 10-14 hours.
Times are now changing.
Many people are now completing endurance activities on a limited number of glucose calories and teaching their bodies to burn ketones for fuel.
The safety of this method has always been in question and many studies have pointed out the safety of this technique.
Here are some of the highlights:
1. Dietary ketosis is DIFFERENT than life-threatening ketoacidosis. The later is seen in diabetic patients when the production of ketones is rapidly produced in extremely high levels and overwhelms the bodies natural acid-base balance.
2. In a low…
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