Collection: Best Sellers

Best Selling Parasite Protection for Dogs & Cats

Looking for the most trusted flea, tick, heartworm, and worm protection? These are the top-rated best sellers at Smartway Pet Supplies. Chosen by thousands of pet parents, these treatments keep your furry friends safe, healthy, and protected year-round.

Our Best Selling Brands

• NexGard Chewables: Monthly beef-flavored chew that kills fleas and ticks fast.
• NexGard Spectra: Broad-spectrum chew that protects against fleas, ticks, heartworm, and intestinal worms.
• Simparica Trio: Triple-action chewable for fleas, ticks, worms & deadly heartworm disease.
• Revolution Plus: All-in-one topical for cats protecting against fleas, ticks, worms & ear mites.

Why Pet Owners Choose Smartway

• Genuine, vet-reviewed products — no knockoffs.
• No prescription required for top brands.
• Competitive USD pricing for U.S. customers.
• Fast shipping to your door.

Shop our Best Sellers today and keep your pets protected with the brands veterinarians trust most.

Always read the label and follow usage directions. Consult your veterinarian if your pet shows sensitivity.