Introducing the one and only...once daily treatment for dogs with hypothyroidism. 

It's easy, it's once a day, it's Leventa®.  Leventa is a liquid solution that contains levothyroxine sodium to treat canine hypothyroidism.  A single bottle presentation offers great convenience with a once-a-day regime.  An oral dosing syringe enables accurate delivery of low doses.  Available only under veterinary authorization.