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Carbohydrates

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  • What is your body鈥檚 preferred source of energy?

  • – Quantify Fitness What is Your Body鈥檚 Preferred Source of Energy? The human body stores around 400g of energy in the form of glycogen 鈥?the stored form of sugar/carbohydrates (roughly 100g in the liver and 300g in the muscles). A healthy male weighing 160 pounds with 15% body-fat is storing about 24 pounds of fat.

  • What is the most concentrated source of energy?

  • Fat is the body’s most concentrated source of energy, providing more than twice as much potential energy as carbohydrate or protein (9 calories per gram versus 4 calories each per gram). During exercise, stored fat in the body (in the form of triglycerides in adipose or fat tissue) is broken down into fatty acids.

  • What is the source of energy in food?

  • As potential fuel sources, the carbohydrate, fat, and protein in the foods that you eat follow different metabolic paths in the body, but they all ultimately yield water, carbon dioxide, and a chemical energy called adenosine triphosphate (ATP). Think of ATP molecules as high-energy compounds or batteries that store energy.

  • Why does the body prefer carbohydrates as an energy source?

  • The body prefers carbohydrate as it is the easiest to break down, and is also a quick release energy source. The reason the body doesn’t like fats as energy, is because they have other uses, and the body likes to keep it for those reasons.

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