Weight gain is the intake of more calories than your body burns in a day. The calorie surplus supports muscle growth, increases bone density, and adds fat to your frame.

Run a calorie surplus for long enough and you'll gain weight. That said, it’s probably not a good idea to rely solely on increased protein intake if you're looking to gain weight.

Below, you’ll find a definitive list of high-protein, low-calorie foods to add to your diet, as well as the benefits that eating more of these foods can bring, and ideas on how to cook with them.

The incremental nature of weight gain allows people to continuously adjust their perception of what looks and feels normal. When someone gains just one or two pounds monthly, they often don’t ...

A high-fat diet sets off metabolic dysfunction in cells, leading to weight gain. ScienceDaily . Retrieved July 23, 2025 from www.sciencedaily.com / releases / 2025 / 05 / 250528131843.htm ...