Description Nutrex Research® Lipo6® Black Intense Ultra Concentrate†: The Intense One Pill Only Fat Burner† Lipo-6 Black Intense Ultra Concentrate takes fat burning to the absolute extreme. Its effects are Intense. Its effects are INTENSE. They can be felt in minutes and are long-lasting. Just one pill will give you the strongest weight loss support, intense energy and maximum appetite control.† Intense fat burner† Ultra concentrate†