Fast Lean Pro is a powdered dietary supplement that allows you to enter a "fasting state" without actually fasting. The 100% natural dietary supplement is manufactured in the United States in an FDA-regulated lab, following every measure of the GMP standards. According to the manufacturers, Fast Lean Pro activates a specific switch that forces the body to burn fat reserves and destroy worn-out cells hindering fat oxidation. The fasting period triggers a cell regeneration process that ensures your body stays in a fat-burning state for extended periods.