#1 IN AMERICA - IT REALLY WORKS! Thank you, America, for making Hydroxycut America's #1 Selling Weight Loss Supplement Brand! Millions from coast to coast have chosen Hydroxycut to help them reach their weight loss goals. Science, Quality and Purity have been the focus for Hydroxycut for the past 20 years. Hydroxycut really works! ??Based on AC Nielsen FDMx sales data for Hydroxycut caplets.