How many calories per gram does protein contain?

Protein contains four calories per gram. This is a fundamental principle in nutrition, reflecting the energy that the body can derive from consuming proteins. Proteins are essential macronutrients that play crucial roles in various bodily functions, including building and repairing tissues, making enzymes and hormones, and supporting immune function.

Understanding the caloric content of macronutrients is important for those involved in tactical conditioning and overall fitness planning, as it helps in calculating total caloric intake and macronutrient distribution for optimal performance and recovery. The four calories per gram is consistent across various sources and is a key element in dietary guidelines and custom meal planning for individuals looking to enhance their physical conditioning.