The rowing record set from California to Hawaii was set by a boat of two athletes that ate a diet entirely based on fat and little carbohydrate. Basically, you can have good endurance from a fat-based diet.
Carbohydrate is required for those with a glucose adapted metabolism. For those with a fat adapted metabolism carbohydrate is not required. There is no difference between the glucose and oxidation rates for athletes fully adapted one way or the other, there is a difference in capacity however because fat stores have a calorie capacity >50x that of glucose and glycogen stores. Further, eating a mixed diet of carbohydrates and fats leads to sub optimal energy metabolism, so choose one way or the other depending on your goals, lifestyle and whether you want your teeth to rot.
The rowing record set from California to Hawaii was set by a boat of two athletes that ate a diet entirely based on fat and little carbohydrate. Basically, you can have good endurance from a fat-based diet.
Carbohydrate is required for those with a glucose adapted metabolism. For those with a fat adapted metabolism carbohydrate is not required. There is no difference between the glucose and oxidation rates for athletes fully adapted one way or the other, there is a difference in capacity however because fat stores have a calorie capacity >50x that of glucose and glycogen stores. Further, eating a mixed diet of carbohydrates and fats leads to sub optimal energy metabolism, so choose one way or the other depending on your goals, lifestyle and whether you want your teeth to rot.
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