Buy MonaVie Online Direct In The U.K. at the lowest price available anywhere. Order the popular MonaVie Original at our online store here. MonaVie's premier açai blends are designed to help you maintain a healthy and active lifestyle. Sometimes referred to as a 'pharmacy in a fruit,' cupuacu is an excellent source of vitamins C and A. Cupuacu is also rich in vitamins B1, B2 and B3 (Niacin), as well as fatty acids and amino acids.