One of the popular generic heartworm preventive – Valuheart is an effective solution for the prevention of dangerous infection of heartworm parasite. This oral tablet helps to kill immature heartworm larvae and remove them before it infects dog. It prevents heartworm parasite from attacking dogs and protects them fatal heartworm infection. Safe to use in puppies of 6 weeks of age and above, Valuheart is also suitable to use in breeding and pregnant dogs. It is safe to use in all breeds and sizes of dogs.