Dodson & Horrell Seaweed provides a good balance of vitamins and minerals. Dodson & Horrell Seaweed is dried and processed shortly after leaving the sea, ensuring the vitamin and mineral levels are well maintained. Dodson & Horrell Seaweed contains high levels of Iodine and should only be fed at the recommended feeding rate. Additional supplements containing iodine should not be fed at the same time as Dodson & Horrell Seaweed. Do not feed to mares in foal.