10 Best Non-Prescription Cat Food for Urinary Crystals

If you’re a cat parent, you know how crucial it is to keep your feline friend healthy and happy. One common health issue that many cats face is the formation of urinary crystals, which can lead to discomfort, urinary tract infections, or even life-threatening blockages. The good news is, the right diet can play a significant role in preventing and managing this condition. In this article, we have compiled a list of the top 10 non-prescription cat foods that are effective in preventing and dissolving urinary crystals. Say goodbye to unnecessary vet visits and hello to a healthier, happier kitty!

Comparison Chart of Non-Prescription Cat Foods for Urinary Crystals

Brand Prevents Crystals Dissolves Crystals Grain-Free High Moisture Content Added Vitamins/Minerals Price Range
Purina One Urinary Tract Health Formula ✔️ ✔️ ✔️ ✔️ $
Hill’s Science Diet Urinary & Hairball Control ✔️ ✔️ ✔️ ✔️ $$
Royal Canin Veterinary Diet Urinary SO in Gel Canned Cat Food ✔️ ✔️ ✔️ ✔️ ✔️ $$$
Blue Buffalo Natural Veterinary Diet W+U Weight Management + Urinary Care ✔️ ✔️ ✔️ ✔️ ✔️ $$
Wysong Uretic Feline Diet Dry Cat Food ✔️ ✔️ ✔️ ✔️ $
Iams ProActive Health Urinary Tract Health with Chicken ✔️ ✔️ $
Nutro Max Adult Cat Food with Savory Duck Chunks in Sauce ✔️ ✔️ ✔️ ✔️ $
Holistic Select Natural Grain-Free Wet Canned Cat Food ✔️ ✔️ ✔️ ✔️ $$
Weruva Classic Grain-Free Paw Lickin’ Chicken Canned Cat Food ✔️ ✔️ ✔️ ✔️ $$
PetGuard Organics Chicken & Vegetable Formula Canned Cat Food ✔️ ✔️ ✔️ ✔️ $$

Key Takeaways

Diversity in Options: There are a variety of cat foods available that cater to preventing and dissolving urinary crystals. Whether you prefer wet or dry food, grain-free options, or specific flavors, there’s something for every feline.

Importance of Moisture: High moisture content is a common characteristic of most foods on the list, emphasizing its importance in preventing urinary crystals. Wet food or adding water to dry food can help keep your cat hydrated and their urinary system healthy.

Vitamins and Minerals: Look for cat foods that are enriched with essential vitamins and minerals. These nutrients play a crucial role in maintaining your cat’s overall health and in preventing urinary issues.

Price Range: The price range varies, allowing cat parents to choose a product that fits their budget. However, it’s crucial not to compromise on quality for the sake of price.

Non-Prescription Does Not Mean Compromise: All the listed cat foods are non-prescription, meaning they are accessible without a vet’s approval. However, this does not mean they are less effective. These foods are specifically formulated to address urinary health issues.


Urinary crystals can be a painful and dangerous condition for cats, but the right diet can make all the difference. The products listed above offer a range of options to help maintain your cat’s urinary health, prevent crystals, and even help dissolve existing ones. Remember, it’s always a good idea to consult with your vet before making any changes to your cat’s diet, especially if they have a history of urinary issues. Keep your furry friend happy and healthy with the right nutrition!

Please note that while these products can help manage and prevent urinary crystals, they are not a substitute for veterinary care in severe cases. If your cat is showing signs of urinary distress, seek veterinary attention immediately.


Q1: What causes urinary crystals in cats?

Urinary crystals in cats are often a result of dehydration, an imbalance in urine pH, or a high mineral content in their diet. When cats don’t drink enough water, their urine becomes concentrated, allowing minerals to crystallize and form crystals. A diet high in magnesium, phosphorus, and calcium can contribute to this issue, especially if the food doesn’t promote a balanced urinary pH.

Q2: Are certain cat breeds more prone to developing urinary crystals?

Yes, some cat breeds are more predisposed to developing urinary crystals. Breeds such as Persians, Himalayans, and British Shorthairs have a higher incidence of urinary tract issues, including the formation of crystals. However, other factors like diet, water intake, and overall health play significant roles, meaning all cats are potentially at risk.

Q3: How do I know if my cat is suffering from urinary crystals?

Cats suffering from urinary crystals may show signs such as straining to urinate, urinating outside the litter box, blood in the urine, or frequent attempts to urinate with little success. They might also exhibit signs of pain or discomfort, such as crying out during urination or excessively licking their genital area. If you observe any of these symptoms, it’s crucial to seek veterinary care immediately, as urinary crystals can lead to blockages, which are life-threatening.

Q4: Can a change in diet really dissolve existing urinary crystals?

Yes, a change in diet can help dissolve certain types of urinary crystals, such as struvite crystals. Diets formulated to dissolve urinary crystals are designed to alter the pH of the cat’s urine, making it more acidic and less conducive to crystal formation. However, not all types of crystals can be dissolved through diet alone, and veterinary intervention may be necessary. It’s also important to note that these diets should only be used under veterinary supervision, as long-term use without proper monitoring can lead to other health issues.

Q5: Is wet or dry food better for preventing urinary crystals in cats?

Wet food is generally considered better for preventing urinary crystals in cats, as it has a higher moisture content than dry food. The additional water in wet food helps to flush out the urinary system, preventing the concentration of minerals that can lead to crystal formation. Additionally, the higher moisture content encourages hydration, which is crucial for urinary health. However, there are also dry food options formulated to promote urinary health, and some cats may prefer or do well on these diets.

Q6: Are there specific ingredients I should look for or avoid in cat food for urinary health?

When choosing a cat food for urinary health, look for diets that are low in magnesium, phosphorus, and calcium, as these minerals can contribute to crystal formation. Foods that promote a balanced urinary pH are also beneficial. Ingredients like cranberries and blueberries can help to maintain urinary tract health, though they should not be relied upon as the sole solution. Avoid diets high in fillers like corn and wheat, as these do not provide the necessary nutrition for optimal urinary health.

Q7: How quickly can I expect to see improvement in my cat’s urinary health after changing their diet?

The time it takes to see improvement in a cat’s urinary health after changing their diet can vary depending on the severity of their condition and the type of crystals present. Some cats may show improvement within a week, while others may take several weeks. It’s important to follow your veterinarian’s recommendations and be patient, as it may take time for the diet to have an effect. Regular follow-up visits may be necessary to monitor your cat’s progress and adjust their diet as needed.

Q8: Can urinary crystals recur, and how can I prevent a recurrence?

Yes, urinary crystals can recur, especially if the underlying causes are not addressed. To prevent recurrence, ensure your cat has constant access to fresh water and encourage them to drink. Feeding a wet food diet or adding water to dry food can also help promote hydration. Regular veterinary check-ups are crucial for monitoring your cat’s urinary health and catching any issues early. If your cat has a history of urinary crystals, your vet may recommend a prescription diet or supplements to help prevent recurrence.

Q9: Are there any home remedies for urinary crystals in cats?

While maintaining proper hydration and a balanced diet can help prevent urinary crystals, it’s important to note that home remedies should not be used as a substitute for veterinary care. Urinary crystals can lead to blockages, which are a medical emergency. If your cat is showing signs of urinary distress, seek veterinary care immediately. Home remedies, such as apple cider vinegar or cranberry supplements, may be suggested by some, but their efficacy is not scientifically proven, and they should not be used without consulting a veterinarian.

Q10: What role does pH play in urinary crystal formation, and how does diet influence it?

The pH of a cat’s urine plays a critical role in urinary crystal formation. Different types of crystals form in different pH environments. For example, struvite crystals tend to form in more alkaline urine, while calcium oxalate crystals form in more acidic urine. Diets formulated for urinary health are designed to promote a balanced urine pH that is less conducive to crystal formation. They often include ingredients that help to acidify the urine, preventing the formation of struvite crystals, and ensuring that the minerals in the urine are dissolved and excreted, rather than forming crystals.

Q11: How important is the role of protein in cat food for urinary health?

Protein plays a vital role in the overall health of cats, including their urinary health. Cats are obligate carnivores, which means their bodies are designed to digest and use proteins from animal sources efficiently. Diets rich in high-quality animal proteins can help maintain lean muscle mass, support metabolic functions, and contribute to a healthy immune system. However, it’s essential to ensure that the protein sources in your cat’s food are of high quality and are easily digestible. Poor quality or plant-based proteins may contribute to urinary issues and are generally not recommended for cats.

Q12: What is the significance of ash content in cat food, and how does it relate to urinary crystals?

Ash content in cat food refers to the total amount of minerals present, including calcium, phosphorus, magnesium, and others. While minerals are an essential part of a cat’s diet, an excess can contribute to the formation of urinary crystals and stones. Some cat foods formulated for urinary health have reduced ash content or are balanced in a way that helps prevent an excess of minerals in the urine, reducing the risk of crystal formation. It’s important to note that ash content alone is not the only factor to consider when choosing a cat food for urinary health, as the balance of minerals and urine pH are also crucial.

Q13: How does hydration influence the formation of urinary crystals, and how can I encourage my cat to drink more water?

Hydration plays a crucial role in preventing urinary crystals, as it helps to dilute the urine, reducing the concentration of minerals and making it less likely for crystals to form. To encourage your cat to drink more water, provide multiple fresh water sources throughout your home, consider using a cat water fountain, and feed wet food or add water to dry food. Some cats may also prefer drinking water with ice cubes or flavored water (ensure any flavoring is cat-safe). Monitoring your cat’s water intake and encouraging them to stay hydrated can significantly contribute to their urinary health.

Q14: Are there specific signs that indicate a cat food is effective in preventing urinary crystals?

A cat food that is effective in preventing urinary crystals will promote a balanced urine pH, support hydration, and provide high-quality, digestible proteins. Signs that a cat food is working effectively for urinary health include a lack of urinary issues (such as straining to urinate or blood in the urine), a healthy body condition, and regular, trouble-free urination. Regular veterinary check-ups, including urine analysis, can also provide insight into how effectively a cat food is supporting your cat’s urinary health.

Q15: Can lifestyle factors, aside from diet, influence the formation of urinary crystals in cats?

Yes, lifestyle factors can significantly influence the formation of urinary crystals in cats. Stress, for example, has been linked to urinary issues in cats, including the formation of urinary crystals and idiopathic cystitis. Ensuring your cat has a stress-free environment, providing enrichment through toys and play, and creating a safe and comfortable living space can help reduce stress and contribute to their overall health. Obesity is another risk factor for urinary issues, so maintaining a healthy weight through a balanced diet and regular exercise is also crucial.

Q16: How does the acidity of a cat’s urine affect different types of urinary crystals?

The acidity, or pH, of a cat’s urine can influence the formation of different types of urinary crystals. Struvite crystals tend to form in more alkaline urine, while calcium oxalate crystals are more likely to form in acidic urine. Diets formulated to prevent urinary crystals work by balancing the urine pH to a level that minimizes the risk of both types of crystals. It’s a delicate balance, as shifting the pH too far in either direction can increase the risk of different types of crystal formation.

Q17: What is the role of prescription diets in managing urinary crystals, and how do they differ from non-prescription options?

Prescription diets are specially formulated under veterinary guidance to manage specific health issues, including urinary crystals. They often contain specific nutrients at controlled levels to dissolve certain types of crystals, promote a balanced urine pH, and reduce the recurrence of crystals and stones. Non-prescription diets for urinary health also aim to promote a balanced urine pH and support urinary health, but they may not have the same level of specific nutrients required to dissolve crystals. Prescription diets are typically used for cats with a history of urinary issues or those currently experiencing issues, while non-prescription diets may be used for prevention in cats at risk.

Q18: Are there any risks associated with feeding a diet formulated for urinary health to a cat without urinary issues?

Feeding a diet formulated for urinary health to a cat without urinary issues is generally considered safe, as these diets are designed to promote overall urinary wellness. However, it’s crucial to ensure that the diet is balanced and meets all of your cat’s nutritional needs. Some urinary health diets are formulated to dissolve specific types of crystals and may alter the urine pH, which may not be necessary for cats without urinary issues. As with any diet change, it’s recommended to consult with a veterinarian to ensure the food is appropriate for your cat’s health status and life stage.

Q19: How does the mineral content in water influence urinary health in cats?

The mineral content in water, particularly the levels of calcium, magnesium, and phosphates, can contribute to the concentration of minerals in a cat’s urine, influencing the formation of urinary crystals. In areas with hard water (water with a high mineral content), cats may be at an increased risk of developing urinary crystals. Using filtered water or providing bottled water can help reduce the mineral intake from water, supporting urinary health.

Q20: Are there any specific ingredients in cat food that are known to cause urinary issues?

While no specific ingredients are directly linked to causing urinary issues in all cats, diets high in minerals such as magnesium, calcium, and phosphorus, or those that lead to an imbalanced urine pH, can contribute to urinary issues. Additionally, low-quality ingredients and fillers may not provide the necessary nutrition for optimal health, potentially contributing to a range of health issues, including urinary problems. Choosing a high-quality cat food with balanced nutrition is crucial for supporting overall health and preventing urinary issues.


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