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pedroguillem
pedroguillem
Joined January 2016
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Start Weight
209.0 lb
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0 lb
Current Weight
209.0 lb
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150.0 lb
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59.0 lb
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pedroguillem's Latest Posts
Dukan too high in Carbs?
paperiniko wrote:
I do not agree and I believe that there is no scientific backing for this claim, No major and seriously designed study has ever shown that calories from carbs are worse than calories from proteins or fats for the general "healthy" population. Short of serious hormonal imbalances (that affect a very small portion of the population),the macro splits have no relevant effect on the fat loss effectiveness only calories deficit has.
Yes there IS scientific literature, a lot!. Maybe "worse" is not the best word to describe calorie sources... Energy is energy... no doubt.. but your body simply performs a different biochemical process for each type of energetic molecule you ingest.
Yes.. Carbs and Protein have 4 calories per gram and Fats have 9 calories per gram.. but the body speaks a rather different language to each. The metabolic pathways the liver uses to break down energy molecules vary depending on their chemical composition.
Glycolisis is the standard metabolic path for breaking down glucose (sugars/carbs), while B-Oxidation is the path for breaking down tryglicerids (fats).
Atkins, Dukan, and EVERY other high-protein diet works because FAT is what makes you FAT... if you deprive yourself from carbs your liver boosts B-Oxidation and inhibits the Glucolytic path (no sugar or insulin available)... so you force your body to drain its own fat reserves to keep you alive!!.
There is also an PRIORITY in which biomolecules are consumed by by the body.. being:
1-CARBS
2-FATS
3-PROTEIN.
Long story short.. you HAVE to be out of sugar in order to burn your FAT reserves, which is exactly what you do when excercising.
So yes.. there IS a "difference between calories", not as in the physical meaning of energy, but on how you use them and which is best for loosing weigth.
Biochemistry explains nutrition, not Martha Stewart.
posted
20 Jan 2016, 20:31
pedroguillem has submitted 1 post
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