Impromune® Palatable Tablets for Dogs & Cats - 40TABSImpromune is a dietary supplement for cats and dogs that boosts the innate and adaptive immune systems and may improve clinical symptoms in immunosuppressed animals. Nucleoforce is a patented formula of free nucleotides for cats and dogs. Nucleotides are the building blocks of genetic material, including nucleic acids, and are crucial to the immune system. Nucleoforce promotes the maturation, differentiation, and activation of T lymphocytes.