Fat is a major source of energy and is essential to a number of functions of the body.
It plays an important role in the creation of hormones as well as our brains being approximately 60% fat.
Fat can be categorised into saturated and unsaturated. Saturated fats appear solid at room temperature eg, animal fat and butter, and unsaturated fats are liquid at room temperature, eg, oils.
Fat digestion starts in the small intestine. As fat passes through the stomach and into the intestines, the gallbladder releases bile which emulsifies the fat.
This process allows the digestive enzymes in the small intestine to break it down into fatty acids to be distributed through the lymphatic system.
These lipids can then be taken up by the liver for use via the blood, stored in the body or in the muscle as intramuscular fat.
Like protein synthesis, the body is always storing fat and always burning fat.
You will burn more fat on a ketogenic diet because you are eating more fats but that does not make it a superior diet for fat burning.
Fats are a tool that you can manipulate for body composition goals. If you are in a calorie deficit, then once your body runs out of glucose from the carbs you have eaten, you will end up using stored fat for energy.
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