It determines which metabolic fuel will be used to create energy
When your carb storage is empty, the body uses mainly fat.
When your carb storage is not quite full, the body uses both fat and carbs.
When your carb storage is full, the body uses mainly carbs.
Your carbohydrate storage determines the carbs' pathway
When your carbs storage is empty,
the carbs you eat will fill it up.
When your carbs storage is full,
the carbs you eat are stored as fat.
It is influenced by a wide array of factors: genetics, age, weight, gender, hormones, body composition, exercise, diet and eating habits, psychological state, environmental factors, sleep, Metabolic flexibility and more.
These affect the way you utilise specific foods for energy, deplete and refill your metabolic fuel stores and achieve changes in muscle and fat mass.
When we consume carbs, they’re broken down and stored as glycogen in the liver, muscles, and in trace amounts in the brain.
The size of your glycogen storage is dependent on many factors, including muscle mass. The greater the muscle mass, the more space your body has to store glycogen. Relative to the fat stores, these stores are small. In total, they can only hold 300-500 grams of glycogen. For this reason, we are able to deplete and refill them daily.
Your body is equipped with hormones, or chemical signals, to mediate changing levels of carbs in the bloodstream. Two main hormones, both secreted from the pancreas, are responsible for this: insulin and glucagon.
Insulin is released in response to elevated blood sugar levels post eating. It instructs your cells to uptake the consumed carbs for either storage or for immediate use. Glucagon is released when blood sugar levels are low. It instructs your cells to release stored carbs in order to supply the body with energy when it needs it.
Your body contains different substances and mechanisms that take part in maintaining internal stability. These ensure that things such as body temperature, acidity, blood pressure, and glucose concentration remain constant.
Glucose concentration is regulated by hormones in order to ensure that its levels remain close to 70-100 ml\ dl. When blood glucose levels rise, the secretion of insulin returns them to this concentration. When it falls, the secretion of glucagon does the same.
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