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McTarnahans Haarlem Oil contains the active ingredient Cade Oil to help your horse recover faster and expel toxins after a hard work out. Made from juniper berry tar, this oral supplement stimulates the urinary system and may be used as a natural diuretic in horses. This supplement may also promote the overall health of intestinal, biliary, and respiratory systems. Haarlem Oil comes in a convenient oral syringe for easy administration. 


  • Aids in the recovery process by helping expel toxins from the body, especially after a hard workout
  • Contains the active ingredient Cade Oil from juniper berry tar
  • Promotes urinary, biliary, intestinal, and respiratory health
  • May be used as a natural diuretic in equines only
  • Convenient oral syringe for easy administration
  • Made in the USA
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