What Is HERBALIFE: Herbalife is a scientific formulated, herbal-based, calorie-reduced nutrition program. It is centered around our unique high-energy, protein-rich, nutritional "shake" or meal replacement drink, Formula #1, to which has been added food supplements containing important vitamins, minerals, essential fatty acids and nutritional herbs. The Herbalife program has been used by literally millions of individuals around the world for weight control and health enhancement since 1980.