Deciding if fasted cardio works best to burn fat more effectively remains a popular question. Many athletes believe this theory and greet the sun with a run before breakfast. You may also have joined the fasting exercise club in hopes of more fat loss.

Does it really help to perform aerobic exercise first thing in the morning prior to eating? Fasted cardio is a gray area where answers aren’t so simple. We understand food equals energy. If we fast then our body will use fat stores during morning exercise. Although it makes logical sense, physiologically our bodies may not agree.

Source: Is Fasted Cardio Really Better for Fat Loss? – VeryWell