Ensure Compact Starter Pack Ensure Compact is a 125 ml, ready-to-drink, nutritionally complete oral nutritional supplement. Its small volume has been specially developed for people who have difficulty drinking larger volumes. Each easy-to-open Ensure Compact bottle provides 300 kcal (2.4 kcal/ml) 13 g of protein Ensure Compact is best served chilled and it also tastes great when served as a warm drink. However, it should never be boiled as this can destroy some of the much-needed nutrients. Contains a mixture of 4 flavours - - - - -