*Ensuring the Best Overall Health for Cats. To 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 Benefits Provides complete nutritional support. Provides patented and powerful 4Life Transfer Factor Advanced Formula support for the immune system. Provides nutrients for health and longevity. What 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 bodies ability to remember past health threats. The extraction processes for transfer factors is 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 oz. servings.