Evidence supporting the use of: Fat (unspecified)
For the health condition: Convalescence

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Fats are an essential macronutrient with well-documented roles in supporting recovery and convalescence. During periods of illness or recovery, the body’s energy requirements often increase, and fat provides a dense source of calories, which is especially important when appetite is diminished or when weight loss is a concern. Scientifically, fats support the absorption of fat-soluble vitamins (A, D, E, and K), which are crucial for immune function, tissue repair, and overall recovery. Clinical nutrition guidelines, such as those from the World Health Organization and the European Society for Clinical Nutrition and Metabolism (ESPEN), recommend adequate fat intake as part of nutritional support for convalescent patients, particularly when energy needs are high or when oral intake is limited.

In hospital settings, specialized enteral and parenteral nutrition formulas include fats as a standard component, recognizing their role in providing essential fatty acids and supporting cellular repair processes. While the type of fat (e.g., unsaturated vs. saturated) and overall balance with other macronutrients are important considerations, the use of fat itself is grounded in robust scientific understanding of human metabolism and recovery requirements. Thus, the inclusion of fat in diets during convalescence is scientifically validated, not merely based on tradition.

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