Replies on The Great Trifexis Hoax: 6 Ways to Spot the B.S.

I'm glad you resonated with this. Here's what my clients use:
The best way to prevent heartworm safely.
The best way to prevent fleas safely.
Worms? Meh. Not an issue in a healthy, well fed dog. Pay attention to vaccinations and diet, in addition to the two methods above, and you'll have a naturally resistant, Vital Animal.