Do people who are starving lose glycogen protein and fat?

Yes, when people are starving, their bodies begin to break down glycogen, protein, and fat for energy. Initially, glycogen stores in the liver and muscles are depleted, followed by the breakdown of fat stores and muscle protein as the body seeks alternative energy sources. This process can lead to muscle wasting and a loss of overall body mass over time. The body prioritizes survival, utilizing available energy sources in a specific order until they are exhausted.