Hill's Prescription Diet i/d Cost: Digestive Care Prices
Essential Pricing Takeaways
- • Hill's Prescription Diet i/d Digestive Care is a highly digestible therapeutic veterinary food formulated with ActivBiome+ prebiotic technology to settle acute gastroenteritis and diarrhea.
- • A 27.5 lb bag of canine i/d dry food costs $114 to $118 on Chewy and Petco, compared to $135 to $155 when purchased at private veterinary clinic reception desks.
- • While requiring a veterinary prescription authorization, pet parents can save 35% on their initial order and 5% ongoing by establishing scheduled AutoShip deliveries on accredited dispensaries.
When dogs or cats suffer from chronic bouts of colitis, malabsorption, acute gastroenteritis, or recover from gastrointestinal surgery, veterinarians routinely prescribe therapeutic veterinary food. Among the most trusted clinical formulations is Hill's Prescription Diet i/d Digestive Care.
However, at well over $100 per large bag or $80 per 24-can case, feeding a prescription diet on an ongoing basis can quickly strain monthly pet budgets. In this 2026 price guide, we compare Hill's i/d prices across major authorized retailers and show you how to maximize promotional AutoShip discounts.
2026 Hill's Prescription Diet i/d Digestive Care Price Audit Across Dispensaries
| Diet Formulation & Size | Target Pet Species | Veterinary Clinic Retail | Chewy Pharmacy (AutoShip) | Petco Online | Best Value Purchasing Route | Action |
|---|---|---|---|---|---|---|
| Canine i/d Dry Kibble (8.5 lb Bag) | ActivBiome+ Prebiotics + Chicken | Dry Extruded Kibble | $39.99 | N/A | Ideal for short-term 2 to 3 week recovery from acute gastroenteritis | Check Price → |
| Canine i/d Dry Kibble (27.5 lb Bag) | ActivBiome+ Prebiotics + Chicken | Dry Extruded Kibble (Economy) | $114.99 | N/A | Lowest price per pound ($4.18/lb); Chewy AutoShip saves ~$240/yr | Check Price → |
| Canine i/d Wet Canned (13 oz / 12-Pack) | Chicken & Vegetable Stew | Canned Wet Food | $49.99 | N/A | Mix 50/50 with dry kibble to encourage post-surgical appetite recovery | Check Price → |
| Canine i/d Low Fat Dry (27.5 lb Bag) | Low-Fat Prebiotic Formula | Dry Kibble for Pancreatitis | $118.99 | N/A | Clinically proven to soothe pancreatitis and hyperlipidemia | Check Price → |
| Feline i/d Dry Food (8.5 lb Bag) | ActivBiome+ Feline Gut Formula | Dry Feline Kibble | $47.99 | N/A | ActivBiome+ prebiotics rapidly restore healthy feline gut microbiome | Check Price → |
*Pricing figures are audited periodically. Destination pharmacies may alter promotions or manufacturer rebates without advance notice.
Top Recommended Options & Discounts
Hill's Prescription Diet i/d Canine Dry 27.5 lb
Best For: Dogs recovering from acute GI upset or requiring lifelong digestive care
- ✓ ActivBiome+ technology activates beneficial gut microbiome bacteria within 24 hours
- ✓ Highly digestible proteins and fats ensure optimal nutrient absorption
- ✓ Chewy AutoShip delivers doorstep renewal with zero heavy lifting
Hill's i/d Low Fat Canine Canned 12-Pack
Best For: Dogs with pancreatitis requiring strictly controlled dietary fat intake
- ✓ Formulated with less than 7% fat on a dry matter basis to ease pancreatic workload
- ✓ Enriched with prebiotic fibers and ginger to soothe inflamed digestive tract lining
- ✓ Available on Petco with free curbside pickup or home delivery
Dutch Online Vet Food Authorization
Best For: Pet parents needing vet authorization to purchase prescription food online
- ✓ Licensed veterinarians review gastrointestinal symptoms and medical history
- ✓ Instant electronic authorization transmitted to Chewy and Petco
- ✓ Available 7 days a week with zero clinic visit fees
Calculate Exact Dose & Cost-Per-Day by Pet Weight
Adjust the weight slider to determine the required clinical dose tier, monthly supply costs, and annual mail-order savings.
*Prices audited across licensed dispensaries. Direct electronic prescription transfer supported.
The Science of ActivBiome+: Why Prescription GI Diets Work
Over-the-counter dog foods frequently contain high fat levels and complex plant proteins that require extensive enzymatic digestion. In an inflamed gut, undigested nutrients pass into the colon, drawing water through osmotic pressure and feeding pathogenic bacteria.
Hill's Prescription Diet i/d utilizes ActivBiome+ technology—a proprietary synergistic blend of prebiotic fibers (citrus pulp, flaxseed, dried beet pulp, and cranberries). These fibers are fermented by beneficial microflora into short-chain fatty acids (SCFAs), which nourish colonocytes, tighten cellular junctions, and resolve diarrhea within 24 to 48 hours.
Regular i/d vs. i/d Low Fat: How to Choose Based on Diagnostics
Hill's manufactures two primary versions of canine i/d: original i/d and i/d Low Fat. Original i/d contains moderate fat levels (~13% dry matter), making it suitable for growing puppies, post-surgical recovery, stress colitis, and general diarrhea.
However, if your dog has an elevated Canine Pancreatic Lipase (Spec cPL) lab result or a history of pancreatitis, original i/d contains too much dietary fat. In these patients, i/d Low Fat (less than 7% fat) is mandatory to prevent exocrine pancreatic stimulation and enzyme autodigestion.
How to Get Chewy and Petco to Verify Your Vet Prescription
Veterinary therapeutic diets require prescription verification under manufacturer quality assurance guidelines. When placing your order on Chewy or Petco, simply enter your vet clinic's name, city, and phone number during checkout.
The online retailer automatically faxes or emails your clinic to request electronic sign-off. Once approved, the prescription remains active in your account for 12 months, allowing seamless recurring AutoShip deliveries at 5% to 35% savings.