Best Heartworm Prevention

The #1 vet-recommended heartworm prevention chewable

Heartgard Plus prevents heartworm disease and treats roundworms and hookworms in a real beef-flavored monthly chew.

6-in-1 monthly chew covering heartworm, fleas, and intestinal parasites

Sentinel Spectrum combines heartworm prevention with flea birth control and intestinal parasite control in a single monthly chew.

Affordable monthly chew covering heartworm and five intestinal parasites

Interceptor Plus provides broad-spectrum parasite protection against heartworm, roundworms, hookworms, whipworms, and tapeworms.