What is fasted training?

Fasted training refers to exercising when you haven't eaten for a period, typically ranging from a few hours to overnight. This practice can lead to various benefits, including potentially increased fat oxidation during exercise and heightened cellular health. Andrew Huberman practices fasted training mainly in the morning, prefacing his cardiovascular or resistance workouts with hydration and sometimes caffeine, but not food. He emphasizes that personal preferences and physical responses can vary, so it's essential to find what works best for your body and fitness goals 1 2.