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ATP of Carbs Vs. Fats over time

Answered on August 19, 2014
Created March 12, 2012 at 5:38 AM

It's often said on Paleo/Primal sites that fat is the more efficient metabolic fuel. That more ATP per molecule is generate from fat than is produce per molecule of glucose. What I haven't been able to find is the burn rate. How many molecules per time can mitochondria burn of glucose Vs fat? If fat produces (making this up) 10x more ATP when compared to glucose but glucose move 100x faster.... Does anyone have any information on ATP production with the time domain included?

77877f762c40637911396daa19b53094

(78467)

on March 12, 2012
at 08:11 PM

Data is Data and it's all helpful!

3846a3b61bc9051e4baebdef62e58c52

(18635)

on March 12, 2012
at 03:45 PM

Sorry that link really didn't answer your very specific question, though it should provide some real life insight.

3846a3b61bc9051e4baebdef62e58c52

(18635)

on March 12, 2012
at 03:42 PM

This is a well performed case study on energy efficiency for athletic performance... http://waroninsulin.com/how-a-low-carb-diet-affected-my-athletic-performance

44348571d9bc70c02ac2975cc500f154

(5853)

on March 12, 2012
at 10:57 AM

Thats excelent, you must a cyclist? Huge advantage in long races i bet.

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1 Answers

1
64433a05384cd9717c1aa6bf7e98b661

(15236)

on March 12, 2012
at 07:51 AM

I don't have a number for you, because the efficiency in which fat is burned can change drastically (by diet). Your body gets better at burning the type of fuel you put in. So any studies would most likely be on people eating a standard American diet, and they very likely would not be fat adapted.

You can look at exercise tests of metabolic efficiency to see how much fat vs carbs people are burning at various heart rates. This will be so different in different people but I know that I am able to burn predominantly fat even into very high heart rate zones (high 160s), showing me that it can happen fast enough to be more useful than carbs.

3846a3b61bc9051e4baebdef62e58c52

(18635)

on March 12, 2012
at 03:42 PM

This is a well performed case study on energy efficiency for athletic performance... http://waroninsulin.com/how-a-low-carb-diet-affected-my-athletic-performance

44348571d9bc70c02ac2975cc500f154

(5853)

on March 12, 2012
at 10:57 AM

Thats excelent, you must a cyclist? Huge advantage in long races i bet.

77877f762c40637911396daa19b53094

(78467)

on March 12, 2012
at 08:11 PM

Data is Data and it's all helpful!

3846a3b61bc9051e4baebdef62e58c52

(18635)

on March 12, 2012
at 03:45 PM

Sorry that link really didn't answer your very specific question, though it should provide some real life insight.

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