Discussion: The portion of food dedicated for tissue regeneration varies depending on the body's requirements and diet quality and quantity. The rest is converted into energy and fat and influences body weight.

This is one of the lesser-known nutritional issues. However, over the years, there have been attempts to explain the phenomena observed through the energy invested in the digestion of food. My explanation is entirely different and is not unique to people with CKD.

Surprisingly! - Processed foods make us gain weight much faster than the same equal calories of natural foods. Not all calories are equal. The amount of energy in food and beverages available for the body's use is not fixed and is not uniform for everyone! The "calorie is a calorie" tautology is wrong.

The portion of food dedicated to tissue regeneration varies depending on the body's requirements and diet quality and quantity. The rest is converted into energy and fat and influences body weight. Surprisingly! - Processed foods make us gain weight much faster than the same equal calories of natural foods. Not all calories are equal.

Since the routing of food between the two primary uses (tissue building and maintenance, as opposed to available energy and fat accumulation) is not fixed and differs from person to person, it is inaccurate to sum the calories in food and beverages.

Link: Calories cannot disappear but can be redirected as uncounted.
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