This proven formula, containing grass and mint leaves with added peppermint oil to make the whole meal smell delicious, works on appetite both externally (appetising smell) and internally (via a range of ingredients). Effects on the digestive system and appetite will start to show within two days but maximum effects on appetite from the ingredients that work within the body will be seen within three weeks. Using TopSpec Digestive Aid helps to maintain firm droppings in horses that have compromised hindgut function. This can be caused by, for example, insufficient fibre intake or stress. Both competition horses and elderly horses are good examples of horses that can suffer from loose droppings. TopSpec Digestive Aid can be added to any combination of feeds or supplements. It must be mixed into damp or wet feed.