Heartland Vet Supply, online at heartlandvetsupply.com, save money on hot items when shopping on Heartland Vet Supply when applying our coupons, promo codes during checkout. Trust us, these coupons are good. Make the best of our Heartland Vet Supply promo codes to get 10% OFF. All discounts are totally free to use. Heartland Vet Supply, Vet-VIPPS accredited pharmacy, offers pet supplies, dog supplies, horse supplies and prescription products for cats, dogs and horses. Free shipping on Qualifying Orders. Find discount pricing on Vetmedin, Frontline, Heartgard, Ulcergard, Gastrogard, Adequan, Legend and many more.