Free shipping over $75!

Both you and your dog will benefit from avoiding parasite problems before they arise. After all, it is easier and more cost-effective to prevent than to treat infections once they occur.¹

  •     Veterinarians trust the medicine in SENTINEL Flavor Tabs most for their own dogs²
  •     The only oral medicine that prevents heartworm disease and fleas
  •     Serious protection against the three most common intestinal worms
  •     Beef-flavored tablets that are eagerly accepted by most dogs³
  •     Convenient and safe for households with children³
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2Milbemycin oxime. Proprietary Market Research, 06/2005. Data on file.
  Novartis Animal Health US, Inc.
3Data on file. Novartis Animal Health US, Inc.

Sentinel Flavor Tabs
Sentinel for Dogs
Price: $29.00 
Sentinel Spectrum
Sentinel Spectrum
Price: $38.50 

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If the item has this emblem, we will gladly match any competitors’ current advertised price.

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Orders over $75 that do not require cooler and overnight delivery qualify for FREE Ground shipping.

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Every purchase you make at is covered by our satisfaction guarantee.

If you are not completely satisfied, please contact us within 30 days.

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Vet-VIPPS Accredited Pharmacy

Heartland Veterinary Supply & Pharmacy is a Vet-VIPPS Accredited Pharmacy

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Located in Hastings, Nebraska, Heartland Veterinary Supply & Pharmacy started as a Veterinary Clinic in 1981, specializing in the health and wellness of the equine, canine and feline species. We have a licensed Veterinarian and Pharmacist on site, as well as a helpful team with the knowledge and products you need to keep your horse, dog or cat healthy and happy. The Heartland Staff is dedicated to fast, courteous service.

"Because buying prescription drugs from the Internet is easy, finding a safe source for those medicines is not."

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  • Phone: 800-934-9398
  • Fax: 888-424-0484
  • Email:
  • HeartLandVetSupply
  • 401 W. 33rd Street
  • Hastings, NE 68901

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