After a hard workout or competition， the McTarnahans Haarlem Oil Horse Supplement can support your horse’s recovery. Made from juniper berry tar， this oral supplement serves as a natural diuretic that can help to induce urination to eliminate toxins from your horse’s system. It may also support your horse’s intestinal， bile， urinary and respiratory health， guarding these systems against potential infections. This supplement supports the elimination of intestinal parasites and aids in the prevention of tying up. The oral dosing syringe allows for convenient and accurate administration.