Safeguard Wormers 3 Pack. Safe-Guar granules is a powerful intestinal dewormer for dogs. Recommended for the removal of Roundworms ( Toxocara canis , Toxascaris leonina ), Hookworms ( Ancylostoma caninum , Uncinaria stenocephala ) Whipworms ( Trichuris vulpis ) and Tapeworms ( Taenia pisiformis ). Millions of dogs are infested with a variety of worms annually. Safe-Guard offers a quick and easy broad-spectrum deworming solution, treating and controlling more worms than any other over-the-counter single worming product available. Each deworming requires 3 daily treatments with Safe-Guard canine.