Elanco - Advantus

 Unleash your power to take on pesky fleas on your pup fast with Advantus® chewable flea defense. Just one tasty chew wipes out adult fleas in only 1 hour and is completely gone from your dog's body in just 24 hours. 7 soft chews in each bottle Starts killing fleas within 1 hour A single dose kills adult fleas on a dog — if there are fleas in your dog’s environment and your dog becomes re-infested, you can safely repeat treatment as often as once per day Contains no animal protein and is suitable for dogs with food allergies, like chicken and beef Easy-to-give, tasty soft chew Dogs and puppies that are at least 10 weeks old and weigh at least 4 pounds