Can the body synthesize fat from other substances if you are on a fat-free diet?

if a person is on a fat free diet and does not eat fat, can the body synthesize fat from other substances?
Asked Dec 18, 2009
Yes. The body can synthesis fat from other foods. Let me explain in detail. Let us take for example potato chips, which contains Polysaccharides (a kind of carbohydrates). These polysacchrides contain a long chain of glucose units. On digestion and absorbtion of even a small portion of polysaccharides, large number of glucose units are released into blood stream. These large number of glucose units are first utlised for energy purpose, and then they are stored in the liver as glycogen. After these two requirements are met the remaining glucose units are directly converted into fats and stored in the body. The third process is not desired. For more info please visit my website and get your free book .
Answered Aug 19, 2010
"Synthesis" implies that fats are deposited directly and your body converts other food types to body fat by some different process.

To be clear, whether protein, carbohydrates, fiber or fat, your body digests the food and it is burned for energy. 300 calories of carbohydrates will have the exact same effect as 300 calories of fat. From a weight perspective, the big difference is one gram of fat has twice the calories of one gram of protein or carbs in addition to the negative effect fats have on your circulatory system.

Regardless of what the above commercial is trying to sell, the U.S. Department of Agriculture did an extensive study of weight loss programs and found that weight gain/loss simply depends on whether you consume more calories than you burn or burn more than you consume.
Answered Aug 19, 2010

However, our bodies need a certain amount of fat to function—and we can't make it from scratch. Triglycerides, cholesterol and other essential fatty acids—the scientific term for fats the body can't make on its own—store energy, insulate us and protect our vital
Answered Jul 30, 2021

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