Herbalife’s Nutrition products are now sold in over 90 countries worldwide. The Formula 1 shake is the world’s number 1 selling meal replacement shake. Herbalife’s products are nature-inspired and have been developed by scientists and nutritionists. Herbalife is committed to developing innovative, effective products that are based on the highest research, development and manufacturing standards. We’re fully dedicated to setting the standard by which all nutrition companies are measured. Each product is backed by a 30 day money back guarantee and backed by independent Clinical Trials.