"Ensuring the Best Overall Health for CatsTo give your cat the best possible support, 4Life Transfer Factor Feline Complete combines comprehensive, balanced nutrition, including valuable vitamins, minerals, and antioxidants with the patented immune system support of 4Life Transfer Factor Advanced Formula. This formula provides the complete spectrum of nutrients to support your cats overall health needs.Primary BenefitsProvides complete nutritional support Provides patented and powerful 4Life Transfer Factor Advanced Formula support for the immune system Provides nutrients for health and longevityWhat makes this product unique?Transfer factors are tiny messenger molecules that transfer immunity information from one entity to another. These smart molecules support healthy immune responses, including the bodys ability to remember past health threats. Independent laboratory tests reveal that 4Life Transfer Factor Advanced Formula boosts immune system effectiveness by raising Natural Killer cell function 283 percent. Natural Killer cells are on the front lines of your immune system. The extraction processes for transfer factors from colostrum and egg sources are protected by US patents 4,816,563 (cow colostrum), 6,468,534 (egg yolks), and 6,866,868 (exclusive manufacturing techniques), with other patents pending. 4Life Transfer Factor Feline Complete contains amino acids, probiotics, and essential fatty acids. This complete formula provides the 25 vitamins and minerals considered essential for the optimal health of cats. 4Life Transfer Factor Feline Complete is available in a great-tasting cheese and whey-flavored supplement. Suggested Use:For cats under 3 lbs 1/2 scoop, 3-10 lbs 1 scoop, 11-15 lbs 1 1/2 scoops, over 15 lbs 2 scoops. Each canister contains 60 - 2 gram servings with a convenient scoop."