What is a nutrition tracking app?

A nutrition tracking app is a software tool designed to help users monitor and manage their dietary intake, exercise habits, and energy balance for various health goals such as weight loss, muscle gain, or maintaining a healthy weight. For example, the Carbon app, described by Layne Norton, allows users to track their food intake, establish baseline calorie and macronutrient levels, and adjust these based on their progress and goals. The app uses data such as daily body weight inputs to estimate and adjust the user's total daily energy expenditure to ensure alignment with their health objectives. Users of the app can also choose between different dietary preferences to best suit their needs and lifestyles, enhancing long-term adherence to the program 1 2 3.