--- title: "Best Non Prescription Dry Dog Food for Urinary Health and Weight Management" canonical: "https://cozydoggo.com/best-non-prescription-dry-dog-food-for-urinary-health/" author: "Liam Bennett" published: "2025-09-27T10:28:05+00:00" modified: "2026-10-19T11:51:23+00:00" language: "en-US" site: "Cozy Dog Go" description: "Caring for your dog's urinary health starts with the right diet. Choosing the best non-prescription dry dog food can be tricky. Urinary health is crucial…" categories: "Dog Health" attribution: "Cozy Dog Go (https://cozydoggo.com/)" --- # Best Non Prescription Dry Dog Food for Urinary Health and Weight Management **Caring for your dog’s urinary health starts with the right diet. Choosing the best non-prescription dry dog food can be tricky.** Urinary health is crucial for your dog’s overall well-being. A balanced diet plays a key role in maintaining it. Certain dry dog foods offer excellent support without needing a prescription. They help manage urinary issues by providing essential nutrients. Many options are available, but selecting the right one can be daunting. Consider factors like ingredients, nutritional value, and your dog’s specific needs. Popular choices include Hill’s Prescription Diet and Purina Pro Plan Veterinary Diets. These foods cater to urinary health while being gentle on your dog’s system. This blog post will guide you through the best options available. Let’s explore the top picks for your furry friend’s urinary health. ## [Hill’s Prescription Diet C/d Multicare Urinary Care Chicken Flavor Dry Dog Food](https://www.amazon.com/dp/B00X6LB5IG?tag=cozydoggo-20) [![Hill's Prescription Diet c/d Multicare Urinary Care Chicken Flavor Dry Dog Food, Veterinary Diet, 8.5 lb. Bag](https://m.media-amazon.com/images/I/41AExnv5h4L._SL500_.jpg)](https://www.amazon.com/dp/B00X6LB5IG?tag=cozydoggo-20) The **Hill’s Prescription Diet c/d Multicare Urinary Care Chicken Flavor Dry Dog Food** is ideal for dog owners seeking a specialized diet to support their pet’s urinary health. This veterinary-formulated food is best suited for dogs prone to urinary issues or those diagnosed with urinary tract conditions, providing targeted nutritional support to maintain a healthy urinary system. ### Pros: - Formulated by veterinarians for effective urinary care. - Chicken flavor appeals to picky eaters. - Helps reduce the risk of urinary stone formation. - Supports overall urinary tract health with balanced minerals. - Comes in a convenient 8.5 lb. bag for long-term feeding. ### Cons: - Available only through veterinary channels or specialized retailers. - May be more expensive than regular dog food options. - Not suitable for dogs without urinary health needs. The **Hill’s Prescription Diet c/d Multicare Urinary Care** dry dog food offers a scientifically backed formula that helps manage and prevent urinary tract problems. Its carefully controlled mineral content, including levels of magnesium, calcium, and phosphorus, works to create an environment less conducive to the formation of urinary crystals and stones. This is particularly beneficial for dogs with a history of urinary issues, ensuring they receive the right nutrients without compromising taste. Beyond its urinary health benefits, this dog food is designed to be palatable with a savory **chicken flavor**, encouraging consistent eating habits even in finicky dogs. The brand’s commitment to quality, reflected in its manufacturing by **Hill’s Pet Nutrition, Inc.**, ensures that pet owners can trust the product’s safety and efficacy. Overall, this specialized diet supports both the health and enjoyment of your dog’s mealtime experience. ## [Hill’s Prescription Diet C/d Multicare Urinary + Metabolic Weight Chicken Flavor Dry Dog Food](https://www.amazon.com/dp/B07HGNSD6Y?tag=cozydoggo-20) [![Hill's Prescription Diet c/d Multicare Urinary + Metabolic Weight Chicken Flavor Dry Dog Food, Veterinary Diet, 8.5 lb. Bag(Pack of 1)](https://m.media-amazon.com/images/I/41JY7pe2uHL._SL500_.jpg)](https://www.amazon.com/dp/B07HGNSD6Y?tag=cozydoggo-20) Hill’s Prescription Diet c/d Multicare Urinary + Metabolic Weight Chicken Flavor Dry Dog Food is ideal for dog owners seeking a **veterinary-formulated diet** to support their pet’s **urinary health** while also managing weight. This product is especially beneficial for dogs prone to urinary tract issues or those needing to maintain a healthy weight through a balanced nutritional approach. ### Pros: - Clinically proven to support **urinary tract health** and reduce the risk of urinary crystals. - Formulated to help manage and maintain a healthy **weight** in dogs. - Contains high-quality ingredients with a tasty **chicken flavor** that appeals to dogs. - Veterinary diet recommended and backed by **Hill’s Pet Nutrition** expertise. - Comes in an 8.5 lb. bag, providing a convenient quantity for regular feeding. ### Cons: - Available only through veterinary prescription or specialty pet stores. - May be more expensive compared to regular dog food options. - Some dogs may require gradual transition to avoid digestive upset. This **Hill’s Prescription Diet** dry dog food is expertly crafted to address the specific needs of dogs with urinary and metabolic concerns. The formula supports a healthy urinary environment by reducing the formation of crystals and stones, which are common issues in susceptible dogs. Additionally, the balanced nutritional profile aids in weight management, helping pets achieve or maintain an ideal body condition without sacrificing taste or palatability. Rich in essential nutrients and infused with a delicious **chicken flavor**, this diet encourages consistent eating habits even in picky eaters. The precise formulation also ensures that your dog receives the right balance of proteins, minerals, and vitamins to promote overall wellness. With its trusted brand and veterinary endorsement, pet owners can feel confident that they are providing a specialized diet tailored to their dog’s unique health requirements. ## [Blue Buffalo Natural Veterinary Diet W+u Weight Management + Urinary Care Dry Dog Food](https://www.amazon.com/dp/B01FGW0WTA?tag=cozydoggo-20) [![Blue Buffalo Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog Food, Veterinarian Prescription Required, Chicken, 6-lb Bag](https://m.media-amazon.com/images/I/417BnLuszUL._SL500_.jpg)](https://www.amazon.com/dp/B01FGW0WTA?tag=cozydoggo-20) The **Blue Buffalo Natural Veterinary Diet W+U Weight Management + Urinary Care[Dry Dog Food](https://cozydoggo.com/best-dry-dog-food-for-goldendoodles-top-nutritious-picks-for-healthy-pets/)** is ideal for dog owners who have pets requiring specialized dietary support for both weight management and urinary health. This product is best suited for dogs with specific health conditions that need a **veterinarian-prescribed diet** to maintain optimal wellness while managing their weight effectively. ### Pros: - Formulated by veterinarians for targeted **weight management** and **urinary care** - Made with high-quality **chicken** as the primary protein source - Supports healthy weight loss and helps maintain a healthy urinary tract - Includes natural ingredients without artificial preservatives or fillers - Comes in a convenient 6-lb bag with manageable dimensions for easy storage ### Cons: - Requires a **veterinarian prescription** to purchase - May be more expensive compared to regular dog food options - Limited flavor options as it focuses on therapeutic benefits This **dry dog food** by Blue Buffalo is designed with a balanced formula that targets two critical health concerns: weight management and urinary care. The inclusion of **high-quality chicken** ensures that your dog receives essential proteins necessary for muscle maintenance during weight loss. Moreover, its specialized composition helps reduce the risk of urinary tract issues by maintaining a healthy urinary environment, which is especially important for dogs prone to such conditions. The product’s carefully controlled calorie content assists in gradual and safe weight reduction, supporting your dog’s overall health and mobility. By helping to manage your pet’s weight, it also reduces the strain on joints and organs, promoting a longer and more active life. Additionally, the absence of artificial additives aligns with Blue Buffalo’s commitment to natural ingredients, giving pet owners peace of mind about the food they are providing. ## [Hill’s Prescription Diet U/d Urinary Care Dry Dog Food](https://www.amazon.com/dp/B0050JL3WK?tag=cozydoggo-20) [![Hill's Prescription Diet u/d Urinary Care Dry Dog Food, Veterinary Diet, 8.5 lb. Bag](https://m.media-amazon.com/images/I/412Nac+786L._SL500_.jpg)](https://www.amazon.com/dp/B0050JL3WK?tag=cozydoggo-20) Ideal for dog owners seeking a specialized dietary solution, **Hill’s Prescription Diet u/d Urinary Care Dry Dog Food** is designed for pets with urinary health issues. This **veterinary diet** supports dogs prone to urinary tract problems or those needing controlled mineral content to maintain a healthy urinary system. ### Pros: - **Clinically formulated** to support urinary tract health - Helps reduce the risk of urinary stone formation - Made by **Hill’s Pet Nutrition, Inc.**, a trusted brand in pet care - Convenient **8.5 lb. bag** size suitable for long-term feeding - Supports overall kidney and bladder function with balanced nutrition ### Cons: - Available only through veterinary recommendation or prescription - May not be suitable for dogs without urinary health concerns - Relatively higher cost compared to regular dog food **Hill’s Prescription Diet u/d Urinary Care Dry Dog Food** features a carefully controlled mineral content and a balanced formula that helps manage the urinary environment in dogs. This can help dissolve certain types of urinary crystals and stones, promoting better urinary tract health. The dry kibble format is designed for easy feeding and long shelf life. With its scientifically backed formulation, this **veterinary diet** not only supports urinary care but also provides essential nutrients to maintain overall health. The product dimensions and packaging make it a practical choice for pet owners looking for consistent quality and ease of storage. Choosing this food can be a vital step in managing your dog’s urinary condition effectively. ## [Forza10 Active Urinary Care Dog Food](https://www.amazon.com/dp/B0FDJXHMG8?tag=cozydoggo-20) [![Forza10 Active Urinary Care Dog Food - 3.3 Pounds, Limited Ingredient Dry Dog Food for Urinary Support, UTI and Struvite Stone Management with Fish Protein & Cranberry, Fish Flavor](https://m.media-amazon.com/images/I/41ZGyu+cYTL._SL500_.jpg)](https://www.amazon.com/dp/B0FDJXHMG8?tag=cozydoggo-20) The **Forza10 Active Urinary Care Dog Food** is ideal for dog owners seeking a specialized diet to support their pet’s urinary health. This **limited ingredient dry dog food** is perfect for dogs prone to urinary tract infections (UTIs) or struvite stone formation, offering a targeted nutritional approach to maintain urinary tract wellness. Pet parents looking for a fish-flavored formula enriched with beneficial ingredients like **fish protein** and **cranberry** will find this product especially suitable. ### Pros: - Formulated specifically for **urinary support** and management of UTIs and struvite stones - Contains **limited ingredients** to reduce allergy risks and improve digestion - Includes natural **cranberry** to promote urinary tract health - High-quality **fish protein** provides essential nutrients and a tasty flavor - Manufactured by **Forza10**, a trusted brand in pet nutrition ### Cons: - Smaller package size of 3.3 pounds may require more frequent purchases for larger dogs - Specialized formula might be more expensive compared to regular dog food - May not be suitable for dogs without urinary health concerns The **Forza10 Active Urinary Care Dog Food** stands out due to its carefully selected ingredients aimed at promoting urinary tract health. The inclusion of **fish protein** ensures a high-quality source of amino acids, which supports overall vitality and muscle maintenance. Additionally, the limited ingredient composition helps minimize the risk of allergic reactions or digestive upset, making it gentle on sensitive stomachs. The added **cranberry** is a natural antioxidant known to help prevent bacterial adhesion in the urinary tract, reducing the likelihood of infections. Beyond its health benefits, the formula’s palatable **fish flavor** encourages consistent eating habits in dogs, which is crucial for those on therapeutic diets. The product is crafted by **Forza10**, a reputable manufacturer recognized for its commitment to quality and innovation in pet nutrition. This ensures pet owners are providing their dogs with a scientifically formulated diet that supports long-term urinary health and well-being. ## [Hill’s Prescription Diet C/d Multicare Urinary Care Chicken Flavor Wet Dog Food](https://www.amazon.com/dp/B00EA17Q5M?tag=cozydoggo-20) [![Hill's Prescription Diet c/d Multicare Urinary Care Chicken Flavor Wet Dog Food, Veterinary Diet, 13 oz. Cans, 12-Pack](https://m.media-amazon.com/images/I/41e2mK7ueuL._SL500_.jpg)](https://www.amazon.com/dp/B00EA17Q5M?tag=cozydoggo-20) Ideal for pet owners seeking a specialized diet to support their dog’s urinary health, the **Hill’s Prescription Diet c/d Multicare Urinary Care Chicken Flavor Wet Dog Food** is designed specifically for dogs prone to urinary tract issues. This veterinary-formulated diet helps maintain a healthy urinary system while providing balanced nutrition, making it perfect for dogs with sensitive urinary tracts or those recovering from urinary conditions. ### Pros: - **Veterinary formulated** to support urinary tract health - **Chicken flavor** that appeals to picky eaters - **Wet food** format to encourage hydration - Available in convenient **13 oz. cans**, sold as a **12-pack** - Helps reduce the risk of urinary stone formation - **Balanced nutrition** from a trusted brand, Hill’s Prescription Diet ### Cons: - Requires a **veterinary recommendation** for purchase - Wet food may be less convenient for travel or storage compared to dry food - Price point may be higher than regular dog food options The **Hill’s Prescription Diet c/d Multicare Urinary Care Wet Dog Food** offers a carefully balanced formula that targets the specific needs of dogs with urinary concerns. Its unique composition helps to maintain an optimal urinary pH, which is essential to prevent the formation of urinary crystals and stones. Additionally, the wet food format not only enhances palatability but also encourages increased water intake, which is crucial for urinary health. Formulated by **Hill’s Pet Nutrition, Inc.**, a leader in veterinary diets, this product comes in a convenient **12-pack of 13 oz. cans**, making it easy to store and serve. The dimensions and packaging ensure freshness and ease of use, while the delicious **chicken flavor** makes mealtime enjoyable for dogs. Overall, this diet supports long-term urinary health and overall well-being for dogs with sensitive urinary systems. ## [Purina Pro Plan Veterinary Diets Ur Urinary Ox/st Canine Formula Dog Food Dry Kibble](https://www.amazon.com/dp/B071ZWH1DF?tag=cozydoggo-20) [![Purina Pro Plan Veterinary Diets UR Urinary Ox/St Canine Formula Dog Food Dry Kibble - 6 lb. Bag](https://m.media-amazon.com/images/I/41FPD2BId8L._SL500_.jpg)](https://www.amazon.com/dp/B071ZWH1DF?tag=cozydoggo-20) The **Purina Pro Plan Veterinary Diets UR Urinary Ox/St Canine Formula Dog Food Dry Kibble** is ideal for dog owners whose pets require specialized nutrition to support urinary health. This product is specifically designed for dogs suffering from urinary tract issues or those prone to crystal and stone formation, making it a perfect choice for pet parents seeking a veterinary-recommended dietary solution. ### Pros: - Formulated by **Pro Plan Veterinary Diets** with a focus on urinary health. - Manufactured by the trusted brand **Nestle Purina Pet**. - Supports the dissolution of struvite stones and promotes a healthy urinary environment. - Comes in a convenient **6 lb. bag** size, ideal for regular feeding. - Balanced nutrition with controlled minerals to reduce urinary crystal formation. ### Cons: - Available only through veterinary prescription or specialized pet stores. - May not be suitable for all dog breeds or those without urinary health concerns. - Slightly higher cost compared to regular dog food brands. The **Purina Pro Plan Veterinary Diets UR Urinary Ox/St Canine Formula** features a scientifically formulated recipe that helps manage and prevent the recurrence of urinary crystals and stones. By controlling the levels of magnesium, phosphorus, and calcium, it creates an optimal urinary pH environment, reducing the risk of crystal formation and promoting overall bladder health. This precise balance is essential for dogs who have had urinary tract issues and need ongoing support to maintain wellness. Beyond urinary health, this dry kibble provides complete and balanced nutrition, supporting your dog’s overall well-being. The inclusion of high-quality protein and essential nutrients ensures muscle maintenance and vitality, while the dry kibble format promotes dental health by reducing plaque buildup. The thoughtfully designed dimensions of the kibble also make it easy for dogs to chew and digest, contributing to a satisfying mealtime experience. ## [Hill’s Prescription Diet C/d Multicare Low Fat Dry Dog Food](https://www.amazon.com/dp/B0D26FP937?tag=cozydoggo-20) [![Hill's Prescription Diet c/d Multicare Low Fat Dry Dog Food, 8.5lb](https://m.media-amazon.com/images/I/41oyxyfmrmL._SL500_.jpg)](https://www.amazon.com/dp/B0D26FP937?tag=cozydoggo-20) The **Hill’s Prescription Diet c/d Multicare Low Fat Dry Dog Food, 8.5lb** is ideal for dog owners seeking a specialized diet to support their pets’ urinary health while managing weight. This product is particularly suited for dogs prone to urinary issues or those requiring a low-fat diet to maintain optimal health and vitality. ### Pros: - Formulated to support urinary tract health and reduce the risk of stone formation. - Low fat content helps in maintaining a healthy weight for dogs. - Developed by **Hill’s Pet Nutrition, Inc.**, ensuring high-quality, scientifically-backed ingredients. - Comes in an 8.5-pound bag, providing ample supply for regular feeding. ### Cons: - Available only through prescription, which may require a veterinary consultation. - May be more expensive compared to regular dog food options. - Not suitable for dogs without urinary or weight management needs. The **Hill’s Prescription Diet c/d Multicare Low Fat Dry Dog Food** is designed with a unique blend of ingredients that specifically target urinary tract health. Its formulation helps to dissolve and prevent the formation of crystals and stones, which is essential for dogs with sensitive urinary systems. Additionally, the low-fat content supports dogs in maintaining a healthy weight, which is crucial for overall well-being and mobility. Beyond its health benefits, this dog food is crafted by **Hill’s Pet Nutrition, Inc.**, a trusted name in pet dietary science. This ensures that every ingredient is carefully selected and balanced to provide optimal nutrition. The product’s 8.5-pound packaging offers convenience and value, making it easier for pet owners to manage their dog’s dietary needs consistently. ## [Hill’s Prescription Diet W/d Multi-benefit Digestive/weight/glucose/urinary Management Chicken Flavor Dry Dog Food](https://www.amazon.com/dp/B003V5JVTC?tag=cozydoggo-20) [![Hill's Prescription Diet w/d Multi-Benefit Digestive/Weight/Glucose/Urinary Management Chicken Flavor Dry Dog Food, Veterinary Diet, 8.5 lb. Bag](https://m.media-amazon.com/images/I/41YMeeNrSpL._SL500_.jpg)](https://www.amazon.com/dp/B003V5JVTC?tag=cozydoggo-20) Ideal for pet owners seeking a specialized diet to support their dog’s overall health, the **Hill’s Prescription Diet w/d Multi-Benefit Digestive/Weight/Glucose/Urinary Management Chicken Flavor Dry Dog Food** is designed for dogs with digestive issues, weight management needs, glucose regulation, or urinary concerns. This **veterinary diet** offers targeted nutrition for dogs requiring extra care due to specific health conditions. ### Pros: - Formulated to support **digestive health** and promote healthy weight management - Helps regulate **glucose levels** for diabetic or glucose-sensitive dogs - Supports **urinary tract health** to prevent common urinary issues - Made with **high-quality chicken flavor** that appeals to picky eaters - Veterinarian recommended and scientifically formulated by **Hill’s Pet Nutrition, Inc.** ### Cons: - Available only in an **8.5 lb bag**, which may require frequent repurchasing for larger dogs - Prescription diet may require veterinary approval before purchase - Higher price point compared to regular dog food brands due to specialized formulation The **Hill’s Prescription Diet w/d** offers a comprehensive blend of nutrients that address multiple health concerns simultaneously. Its balanced formula is crafted to support **digestive function** by including fiber sources that help maintain healthy stool quality, while also providing controlled calorie content to assist in **weight management**. This dual focus ensures that dogs prone to obesity or digestive sensitivities receive optimal nutrition without compromising on taste. In addition to digestive and weight benefits, this diet targets **glucose control**, making it ideal for dogs managing diabetes or blood sugar irregularities. The inclusion of specific ingredients helps stabilize glucose levels, supporting overall metabolic health. Furthermore, the diet promotes **urinary tract health**, which is essential for preventing urinary crystals and infections, common issues in many dogs. Together, these features make this dry dog food a holistic solution for pets requiring specialized dietary management. ## [Hill’s Prescription Diet C/d Multicare Urinary Care Dry Cat Food](https://www.amazon.com/dp/B0050JL52I?tag=cozydoggo-20) [![Hill's Prescription Diet c/d Multicare Urinary Care with Chicken Dry Cat Food, Veterinary Diet, 4 lb. Bag](https://m.media-amazon.com/images/I/414ZWrT4vGL._SL500_.jpg)](https://www.amazon.com/dp/B0050JL52I?tag=cozydoggo-20) Ideal for cat owners seeking a specialized solution for their pets with urinary health concerns, the **Hill’s Prescription Diet c/d Multicare Urinary Care with Chicken Dry Cat Food** is designed to support cats prone to urinary issues. This veterinary diet is perfect for cats requiring nutritional management to maintain a healthy urinary tract and prevent recurrence of urinary problems. ### Pros: - **Clinically proven** formula to reduce urinary crystal formation - Contains **high-quality chicken protein** for palatability and nutrition - Supports a **healthy acid-base balance** to maintain urinary tract health - **Veterinary formulated** to meet specific dietary needs for urinary care - Comes in a convenient **4 lb. bag** size suitable for regular feeding ### Cons: - Available only through **veterinary prescription**, limiting easy access - May be **more expensive** than standard cat food options - Some cats might require **gradual transition** due to dietary changes The **Hill’s Prescription Diet c/d Multicare Urinary Care** features a scientifically formulated recipe that helps reduce the risk of urinary crystal formation, a common cause of urinary tract issues in cats. This dry cat food includes controlled levels of magnesium, phosphorus, and calcium, which contribute to a healthy urinary environment. By promoting a balanced urinary pH, it helps dissolve existing crystals and prevent new ones from forming, ensuring long-term urinary tract health. In addition to its urinary health benefits, this diet offers high-quality chicken as the primary ingredient, providing essential proteins and nutrients for overall well-being. The palatable formula encourages cats to eat consistently, which is vital for maintaining their urinary health. Packed in a convenient **4 lb. bag**, it offers a practical solution for pet owners to support their cats’ specialized dietary needs with ease and confidence. ## Frequently Asked Questions ### What Makes Dry Dog Food Good For Urinary Health? Dry dog foods for urinary health contain controlled minerals to reduce stone formation. Ingredients like cranberry and fish support urinary tract function. These foods help maintain proper urine pH, reducing infection risks and promoting bladder health in dogs prone to urinary issues. ### Are Prescription Diets Necessary For Urinary Care In Dogs? Prescription diets are often recommended for dogs with diagnosed urinary problems. They contain specialized nutrients to manage stones or infections effectively. However, some non-prescription options may help maintain urinary health in healthy dogs. Always consult your vet before switching diets. ### How Does Hill’s Prescription Diet C/d Support Urinary Health? Hill’s c/d Multicare reduces urinary crystals and stones by balancing minerals. It controls pH to prevent struvite and calcium oxalate stones. This diet supports bladder health and is clinically proven to reduce urinary issues in dogs prone to urinary tract problems. ### Can Weight Management Diets Improve Urinary Health In Dogs? Yes, weight management diets like Hill’s c/d Multicare + Metabolic help reduce urinary stress. Excess weight increases urinary disease risks. These diets support healthy weight and urinary tract function simultaneously, improving overall dog health and reducing urinary complications. ### What Ingredients Help Prevent Urinary Tract Infections In Dog Food? Ingredients like cranberry, fish protein, and controlled minerals help prevent UTIs. Cranberry supports bladder lining health, while fish protein is easy to digest. Balanced minerals reduce stone formation, lowering infection risks. Foods like Forza10 Active Urinary Care include these beneficial ingredients. ### Is Wet Or Dry Urinary Care Dog Food Better? Both wet and dry urinary care foods offer benefits. Wet food increases hydration, which helps flush the urinary tract. Dry food supports dental health and is convenient for daily feeding. Combining both types can optimize urinary health depending on your dog’s needs. ## Conclusion Choosing the right dry dog food helps support your pet’s urinary health and overall well-being. Foods like Hill’s Prescription Diet and Blue Buffalo offer balanced nutrition with ingredients that reduce urinary risks. These options often include special nutrients to manage weight and prevent stones. A diet made for urinary care can reduce discomfort and improve your dog’s quality of life. Always watch for symptoms of urinary problems and keep regular vet checkups. Feeding your dog the best non-prescription dry food for urinary health is a smart step. It helps maintain healthy bladder function and supports long-term health. Remember, a good diet works best when combined with plenty of fresh water and exercise. Your dog will thank you with more energy and happiness. Small changes in food can make a big difference for your furry friend’s urinary health.