Overfeeding is most often used for Fat Loss.

Overfeeding

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•Last Updated: August 28, 2025

Overfeeding is the practice of giving a human or animal more calories than necessary for daily life. Overfeeding can contribute to overweight and obesity and is often used in research to investigate the effects of food overconsumption on health outcomes.

Last Updated:August 28, 2025

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Saturated fat and polyunsaturated fat promote similar lean mass gains during overfeeding

In this randomized controlled trial in adults with overweight or obesity, hypercaloric diets enriched with either polyunsaturated fat (from sunflower oil) or saturated fat (from palm oil) resulted in similar increases in lean mass and body weight.

Overfeeding on a low-protein diet increases liver fat, total, and HDL cholesterol

The “thrifty” phenotype and adaptive thermogenesis