Can eating too little protein make you eat more calories?

Eating too little protein may lead you to eat more calories as your body seeks the protein it needs. The article reviews evidence from human feeding experiments and studies of everyday eating patterns. It also draws on work in insects, mice, and other primates. The central idea is simple: the body may favor meeting its protein needs. When foods contain a smaller share of protein, eating more could help meet those needs. But it can also mean taking in extra calories. Human experiments support this pattern under some conditions. Studies of everyday diets show patterns that fit the idea, too. The effect is not the same for everyone. It depends on the foods available, their makeup, and the body's needs. Other forces also shape how much people eat. The supplied text gives no calorie increase, protein target, or study size. It does not show that low-protein foods alone explain obesity. The article also describes a liver-made hormone that helps guide food choices. In animal experiments, low-protein diets raise this signal and encourage protein-seeking. Evidence for that response is strongest in animals, not people. For our Calorie Awareness community, this adds context to food logs. Tracking Protein Intake alongside Daily Calories (Energy) could reveal patterns worth comparing. Notes on Hunger / Food Cravings may help explain how different days felt. Those records cannot prove cause and effect. Still, comparing notes can show where members' experiences match—or differ from—the proposed pattern. What patterns have you noticed between your logged protein, calories, and appetite?