Black Walnut pill twice a day for 5 days. Skip 2 days then repeat. After a month and some improvement, lower dose to one Black Walnut a day for 5 days, skip 2 then repeat. Continue to give for the rest of dogs life.
Can also be used as a preventive measure to keep your dog from ever getting Heartworms in the first place. Same dose.


Also for smalled dogs.....
I have been trying to find something for smaller dogs. I have 2 10lbs dogs. I'm not sure about giving them a whole black walnut pill so I found a liquid black walnut. I'm sure you can get liquid black walnut anywhere but since I have used this company Nzymes.com before for my dog Bandit........also have a video on him becoming paralyzed. ...I decided to try their black walnut liquid. It's called BlackLeaf Tincture for Pets. It's $27.00 a bottle but at a few drops a day will last a long time. Just wanted to share what I'm using. You can use any black walnut liquid.