The best sensitive stomach cat food, with guidance from veterinarians

Like humans, cats can experience occasional loose stools, constipation, or excessive gas. If your cat is showing these signs, a vet visit can rule out conditions such as food allergies or inflammatory bowel disease, which may require a prescription diet. But if your cat is dealing with general digestive sensitivity, the best sensitive stomach cat food can help.

To select the sensitive stomach foods featured in this guide, I evaluated dozens of options and drew on guidance from veterinarians. I focused closely on ingredient quality and overall nutritional value. The veterinarians I spoke to recommend sensitive stomach formulas that include highly digestible animal proteins, low-to-moderate fat levels, and fewer carbohydrates. Many of these formulas also include probiotics and omega-3 fatty acids from fish oil, which can help ease gut inflammation and promote better digestion. Specific types of dietary fiber can also be beneficial.

Royal Canin Digestive Care Thin Slices in Gravy is a standout wet food, thanks in large part to its insoluble fiber, which may help prevent constipation. For dry food, Purina One +Plus Sensitive Skin and Stomach is an excellent choice. It includes soluble and prebiotic fiber to support digestive health and is particularly beneficial for cats prone to loose stools.

All of my recommendations meet the nutritional standards set by the Association of American Feed Control Officials (AAFCO) and follow the Global Nutrition Guidelines set by the World Small Animal Veterinary Association (WSAVA). These are key considerations when choosing the best cat foods.

What are the signs of a sensitive stomach in a cat?

The signs can be easy to overlook. Because hairballs are common in cats, symptoms like vomiting and regurgitation are easy to dismiss. However, a cat that vomits material with very little to no hair or vomits more than once a week should be evaluated by their veterinarian, says Dr. Kelly Diehl, a veterinary internist with a subspecialty in gastroenterology. Other common signs of a sensitive stomach include loose stools and gas. While dietary changes may relieve symptoms for some cats, cats with food allergies may need a prescription hypoallergenic diet recommended by their veterinarian.

Highlights for the best sensitive stomach cat food

Best wet: Royal Canin Digestive Care Thin Slices in Gravy, 3 oz. cans (12 pack) - $29 at Chewy

Best dry: Hill's Science Diet Sensitive Stomach and Skin Adult, 6 lb. bag - $48 at Chewy

Best for seniors: Purina Pro Plan Adult 7+ Prime Plus Ocean Whitefish and Salmon, 3 oz. cans (24 pack) - $47 at Chewy

Best for kittens: Royal Canin Kitten Loaf in Sauce, 3 oz. cans (24 pack) - $55 at Chewy

Best wet

As obligate carnivores, cats are built to get most of their nutrition from meat. While they can handle some carbohydrates — roughly what they'd consume from the stomach contents of prey — too many can be hard to digest and add extra calories. The best wet cat food tends to be higher in protein and lower in carbohydrates than dry food, which can help with weight control and digestion, says Dr. Jamie Richardson, a veterinarian and chief medical officer at Small Door Veterinary.

Our top picks from Royal Canin and Iams also include beneficial fibers and other ingredients that support easy digestion and help reduce gut inflammation. Royal Canin Digestive Care contains powdered cellulose, an insoluble fiber that can help ease constipation by bulking up stool and promoting more regular bowel movements, according to Tufts University. Iams Perfect Portions Sensitive Digestion and Skin contains fiber from beet pulp, a highly fermentable prebiotic fiber that feeds good gut bacteria to promote better digestion, says Ellen Dierenfeld, a comparative animal nutritionist and founder of Zootrition. Both formulas also contain omega-3 fatty acids from fish oil, which have beneficial anti-inflammatory properties, says Dr. Eliza O'Callaghan, a veterinarian at Small Door Veterinary in New York City. Soothing an inflamed gut can improve nutrient absorption and reduce discomfort.

Switching to wet food can also help, whether it's a transition from dry to any wet food or a switch to one better suited for a sensitive stomach. Wet foods contain far more moisture than kibble, typically 75% to 78% compared to 10% to 12%. That extra hydration is important for cats who lose water through vomiting or diarrhea, says Dr. Kelly Fishman, a veterinarian and founder of Strut Animal Mobility Specialists.

To compare the nutritional profiles of wet and dry cat foods, you'll need to evaluate nutrients on a dry matter basis, which removes moisture from wet food to assess nutrients based on the remaining solids. For the foods in this guide, we obtained dry matter values directly from manufacturers. To compare other recipes, you can use these directions from the Cummings Veterinary Medical Center at Tufts University, contact the manufacturer, or ask your veterinarian for help.

Best dry

Some cats with sensitive stomachs may have a harder time digesting kibble because it's typically higher in carbohydrates than wet food, says Richardson. That doesn't mean carbohydrates are inherently bad — cats can use them for energy, says Dr. Lisa Weeth, a board-certified veterinary nutritionist. The type of carbohydrate matters. Simple carbohydrates, like sugars found in fruit, offer little digestive benefit for cats, while complex carbohydrate sources like whole wheat, corn, or oats provide fiber and other nutrients that can support healthy digestion, according to Tufts University.

Our top dry food picks pair easily digestible proteins with fiber-rich complex carbohydrates, including oatmeal, whole grain corn, cracked pearled barley, and whole grain sorghum. The best choice for your cat depends on their specific needs. Purina One +Plus Sensitive Skin and Stomach is high in soluble fiber, which absorbs liquid and slows digestion, making it helpful for cats with loose stools. Hill's Science Diet Sensitive Stomach and Sensitive Skin is high in insoluble fiber, which helps bulk up stool and speed its passage through the digestive tract, making it a better fit for cats prone to constipation. It also contains coconut oil, which may help lubricate the intestinal tract and reduce inflammation, supporting digestion and helping reduce hairballs.

Wet food can be expensive, less convenient to serve, and some cats simply won't eat it. Fortunately, dry food can still be a good option for most cats. It has a long shelf life and stays fresh longer after opening. You can also buy larger quantities of kibble to lower the cost per serving, especially if it's one of our picks for the best affordable cat foods.

Best for seniors

As cats age, digestion slows, the intestinal wall thickens, and nutrient digestibility declines. A more sedentary lifestyle can further increase the risk of constipation. The signs of a sensitive stomach aren't always obvious — a dull coat, unexpected weight loss, or low energy can all point to an underlying problem. If you notice these changes, talk to your vet before switching foods. Cats are obligate carnivores and generally require high-protein diets, but Weeth says seniors with kidney or renal disease may require less protein.

Our higher-protein senior pick from Purina Pro Plan contains inulin, a good source of soluble fiber commonly derived from chicory root. This type of fiber slows digestion and can help firm up loose stools. It also includes fish oil, which may improve skin and joint health and ease gastrointestinal inflammation, and the wet food formulation helps replenish hydration lost through loose stools.

Our low-protein pick from Hill's contains insoluble fiber from complex carbohydrates, including whole grain corn, barley, and brown rice. Insoluble fiber adds bulk to the stool, speeding transit through the digestive tract to help relieve constipation. That bulking effect can also help pull hair through the digestive tract, aiding in hairball relief, according to Dr. Jennifer Larsen, a veterinarian and professor of clinical nutrition at the UC Davis School of Veterinary Medicine. Combined with L-carnitine, which helps convert fat into energy, insoluble fiber may also help senior cats maintain a healthy weight by keeping them feeling fuller between feedings.

While digestive changes are a normal part of aging, illness isn't. Diehl says cats are good at hiding when they're ill, but signs like chronic vomiting and loose or very pungent stool can signal underlying health issues. Your veterinarian can identify the cause and recommend dietary changes that may help. Diehl says it's essential to get guidance from your vet since managing a sensitive stomach through diet depends on many factors, including other underlying health conditions.

Best for kittens

Kittens with diarrhea can benefit from a high-protein, low-carbohydrate diet, says Dr. Debra Zoran, a veterinary nutritionist and professor at Texas A&M University, adding that foods rich in protein and fat provide energy and support the healthy development of a kitten's gastrointestinal tract. Although pet food labels don't always list carbohydrate percentages, you can look for foods that list whole meats, meat meals, and byproducts among the first ingredients before carbohydrate sources.

The AAFCO recommendations say that kitten food, which is labeled for growth or all life stages, must contain at least 30% protein and 9% fat to support kittens' growth and energy needs. However, Zoran says the best kitten foods for sensitive stomachs should contain at least 40% protein on a dry matter basis. Just keep in mind that kittens could have an upset stomach for several reasons, including intestinal parasites. Because digestive upset can have many causes, including intestinal parasites, it's important to consult your veterinarian before changing your kitten's diet.

Our kitten picks include four different meat sources among the first five ingredients and exceed 40% protein on a dry matter basis. They also contain fish oil, a source of docosahexaenoic acid (DHA), an omega-3 fatty acid essential for cognitive growth and development. The main differences are their texture and fiber sources. Royal Canin is a wet food that contains powdered cellulose, an insoluble fiber that promotes more regular bowel movements. Unlike fermentable prebiotic fibers, it won't feed beneficial gut bacteria, but it also won't cause extra gas. Purina Pro Plan is a dry food that contains dried chicory root, a soluble, fermentable fiber that slows digestion to help relieve loose stools, while also feeding good gut bacteria.

What to look for in a sensitive stomach cat food

When shopping for cat food for a sensitive stomach, you'll want to consider the following criteria recommended by veterinarians.

AAFCO nutritional adequacy statement for growth, adult maintenance, or all life stages: The most basic measure of nutritionally complete kitten and cat food is an AAFCO statement on the label. The AAFCO is a nonprofit organization that recommends nutritional standards for pet food. Recommendations are based on life stages: Food with an AAFCO statement for growth or all life stages is complete and balanced for kittens, and food with an AAFCO statement for maintenance or all life stages is complete and balanced for adult cats. The AAFCO hasn't established specific recommendations for senior cat diets. Senior foods must meet the minimum AAFCO nutritional recommendations for adult or all life stages foods.

Guaranteed analysis and nutrient profiles: The guaranteed analysis on a pet food label shows the percentages of important nutrients, including protein, fat, fiber, and other essential vitamins and minerals. Food for kittens must meet the AAFCO's recommended minimum of 30% protein and 9% fat, and food for adult cats, including seniors, must have a minimum of 26% protein and 9% fat.

It's important to carefully examine the guaranteed analysis for cat foods. As obligate carnivores, cats can digest high-protein diets more easily than foods with low animal protein and high carbohydrates. For some cats, the best food may be high in protein, but high-protein diets can be harmful to some senior cats with certain health conditions. This is one reason it's essential to speak with your vet before transitioning diets.

Ingredients list: The ingredients on a pet food label appear in order of weight. Dierenfeld says that muscle meat proteins provide the best source of essential amino acids for obligate carnivores like cats. Animal-based proteins should always be listed as the first ingredient in cat food. The sensitive stomach cat foods in this guide include quality protein sources in the form of whole meat, meat meals, and meat byproducts. Saker says that meals and byproducts are concentrated forms of protein that are just as nutritious and digestible — if not more so — than whole protein sources.

You can also look for ingredients that promote healthy digestion and ease inflammation, such as probiotics, prebiotics, and omega-3 fatty acids in the form of fish oil.

Expert formulations: My picks for sensitive stomach cat food meet the WSAVA Global Nutrition Guidelines. This means the brands employ a full-time board-certified veterinary nutritionist or a PhD-level animal nutritionist. This expert oversight helps ensure your cat's food meets veterinarian-recommended standards for nutritionally complete and balanced food.

Manufacturing standards: Zoran says pet foods can vary slightly from batch to batch, which can trigger digestive upset in cats with sensitive stomachs. When choosing sensitive stomach food for your cat, it's wise to consider the quality control measures facilities where the food is produced. Brands that own their manufacturing plants have greater control over the ingredients in their recipes and, therefore, the food your cat consumes. Pet food brands should also be transparent about how they implement quality control measures. In short, they shouldn't just say they conduct quality control.

Calorie content: The calorie content of cat food is listed in kilocalories (kcal). Your cat's calorie needs will depend on their age, activity level, and overall health. For example, kittens grow quickly in their first year and should eat multiple high-calorie meals per day. Your vet can recommend the ideal number of daily calories for your adult or senior cat based on their lifestyle and ideal weight. They can also teach you how to check your cat's body condition score (BCS) between wellness visits. The BCS is a visual tool that helps you assess your cat's body fat on a scale of 1 to 9. This information can help you understand if your cat needs to lose or gain weight. That said, it's always best to talk to your vet before adjusting your cat's daily portion sizes.

How we chose the best sensitive stomach cat food

To narrow down the best sensitive stomach cat food, I spoke with several veterinarians, including four board-certified veterinary nutritionists. I also consulted the standards and recommendations from the AAFCO, the WSAVA Global Nutrition Guidelines, and other publications and organizations linked in this guide. Read more about how Business Insider Reviews tests and researches pet products.

Meet the expert behind this guide

Janelle Leeson, pet nutrition reporter: As a writer specializing in cat health and wellness, I've spent years interviewing veterinarians and veterinary nutritionists about biologically appropriate diets for pets at all stages of life, informing more than a dozen nutrition guides for pet guardians. I'm also a guardian to two cats and have fostered more than 50 cats and kittens, many of whom struggled with sensitive stomachs caused by sudden changes in their environment or diet. For this guide, I consulted three board-certified veterinary nutritionists, a veterinary internist specializing in gastroenterology, a comparative animal nutritionist, and three small animal veterinarians. I also referenced nutritional standards set by AAFCO and the Global Nutrition Guidelines established by the WSAVA.

Sensitive stomach cat food FAQs

What is the best sensitive stomach cat food?

There's no single best cat food for all cats with sensitive stomachs. The right choice depends on the cause of your cat's upset stomach. Many sensitive stomach formulas are made with easy-to-digest animal proteins such as meat byproducts and meals, limited carbohydrates, and healthy additions like fish oil and fermentable fibers such as beet pulp. Limited ingredient diets can also help reduce potential food reactions.

However, over-the-counter diets may not be the best solution for every cat with a sensitive stomach. If your cat's upset stomach stems from food allergies, your veterinarian may recommend switching them to a prescription hydrolyzed diet. Hydrolyzed diets contain proteins broken down into very small fragments, which are less likely to trigger an allergic reaction.

What cat food is best for cats that throw up?

Cats that frequently vomit tend to do well on limited ingredient diets made with easy-to-digest proteins like chicken, turkey, or salmon. Recipes with added prebiotics and probiotics help balance gut bacteria, while omega-3 fatty acids found in fish oil reduce gut inflammation. "Sometimes, simply switching the brand of food can do wonders," Diehl says. We recommend buying from trusted brands such as Purina, Hill's, and Royal Canin. They invest heavily in research and often partner with veterinary institutions to research and develop their formulas. Before trying to manage vomiting on your own, always consult your veterinarian. Ongoing vomiting can be a sign of an underlying health condition.

How do I know if my cat needs sensitive stomach food?

Diehl says signs your cat may benefit from a sensitive stomach food include vomiting soon after eating, vomiting small amounts of yellow or green liquid, or frequently having loose stools. "If you've labeled your cat a 'puker,' don't write it off," she says. Your veterinarian can help determine whether a sensitive stomach diet or prescription diet is appropriate.

What cat food is easiest on the stomach?

Because cats are obligate carnivores, animal-based proteins are the easiest foods for them to digest. This includes whole meats, such as deboned chicken, meat meals, and meat byproducts. While cats can eat recipes that contain multiple protein sources, they don't need a new recipe each day. In fact, Dierenfeld says switching recipes daily can affect your cat's appetite and upset their gut microbiome.

What makes sensitive stomach cat food different?

The best cat food for a sensitive stomach typically contains moderate to low levels of fat and highly digestible protein sources that are easily absorbed. Many also include supplements that decrease gut inflammation and improve digestion, such as omega-3 fatty acids from fish oil and probiotics. However, specific ingredients and nutritional profiles of sensitive stomach foods can vary from brand to brand. If you're unsure about your cat's digestive health or nutritional needs, your veterinarian can provide individualized guidance.

Is wet or dry food better for a cat with an upset stomach?

Dry foods generally contain more carbohydrates and less moisture than wet foods. Richardson says this may make dry food harder for some cats with sensitive stomachs to digest. Wet foods typically provide higher protein and lower carbohydrate content, which can make them a better choice for cats with sensitive stomachs. When deciding between wet and dry food, Saker advises considering your cat's preferences and the types of special diets available. Some hydrolyzed diets your vet may recommend for severe food allergies only come in kibble form.

What should you feed a senior cat with a sensitive stomach?

Your veterinarian should guide diet choices if your senior cat has a sensitive stomach. Gastrointestinal issues such as vomiting or diarrhea can be the first signs of age-related diseases. Some older cats may benefit from lower-protein foods, such as Hill's Science Diet Specialty Perfect Digestion Adult 7+ Chicken and Barley Recipe, which includes fish oil to support skin, joint, and gut health. Senior cats healthy enough for a higher-protein option may benefit from Purina Pro Plan Adult 7+ Prime Plus Ocean Whitefish and Salmon Entree, which contains inulin from chicory root to aid digestion. Because chronic kidney disease affects approximately 40% of cats over age 10, high-protein diets should be fed to senior cats only with veterinary supervision.

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