Guardian One is a highly effective flea prevention product for cats that should be administered monthly. With the active ingredients, Nitenpyram and Lufenuron, this product begins working in just 30 minutes and provides protection for 30 days. Both Nitenpyram and Lufenuron are blended with premium meat in a compact gelcap, free from preservatives and artificial flavors. This all-natural product is a must-have for spring and summer, and is easy to administer even for the most resistant cats. Nitenpyram and Lufenuron are trusted and widely used in the pet industry, and have been available in Canada and the USA since 1995. They are also sold in over 30 countries around the world. It is important to note that this product is only suitable for healthy cats without a history of seizures or kidney disease.

2-Pack