Happy Jack delivers FDA- and EPA-approved animal health products, including mange treatments, flea and tick control, and dewormers, tailored for dogs, cats, and horses. Since 1946, our proven solutions have offered effective mange relief, robust flea and tick protection, and dependable deworming—all meeting rigorous safety standards. Ideal for pet owners, breeders, and farmers, these trusted products are sold over-the-counter at top farm, feed, and hardware stores across the U.S. Discover Happy Jack’s reliable mange, flea and tick, and dewormer treatments for your animals today!