Ambrosia Nektar® contains scientifically validated ingredients in their studied dosages to address the parts of your body that truly matter. Your key internal organs: the liver, lungs, heart, and kidney; are often overlooked in favor of pursuing lower body fat, or more muscle. Now you no longer have to make that sacrifice with the introduction of Nektar®. Nektar® contains scientifically validated ingredients in their studied dosages to address the parts of your body that truly matter. Your key internal organs: the liver, lungs, heart, and kidney.