Table of Contents

Top 7 Benefits of Wet Food for Cats: Hydration, Digestion & More

Wet pet food. Cat or dog pate.

Exploring the real-life benefits of wet food—hydration, digestion, weight control, and more

Introduction: Why This Topic Matters

When I first started feeding my cats wet food more regularly, I wasn’t just making a diet change—I was unknowingly improving their hydration, digestion, and overall well-being.

Wet food often gets labeled as a “treat,” but truthfully, it’s one of the most natural and beneficial forms of nutrition we can offer our feline companions.

Looking for a complete guide?

👉How Much Wet Food to Feed a Cat: A Complete Feeding Guide for Every Life Stage

In this article, I want to walk you through the real benefits of wet food—not just from the science, but from what we see every day in the SnuggleSouls community. 

Why Wet Food Might Be the Best Thing You Ever Feed Your Cat

Pet owner woman feeding cat wet food in bowl on kitchen at home.

Wet cat food isn’t just a tasty indulgence; it offers several important benefits for feline health and well-being. When I switched to feeding mostly wet food, I noticed improvements in my cats’ hydration and weight management.

Here are some of the top advantages of wet food, backed by both experience and science:

Improved Hydration and Urinary Health

Glass of drinking water icon

One of the biggest benefits of wet food is its high water content. Canned foods are typically about 70–80% water, whereas dry kibble is only around 10% water.

This means when your cat eats wet food, they’re essentially getting a nice drink of water along with their meal. This is crucial because cats, being descendants of desert animals, often don’t drink enough on their own.

They evolved to get moisture from prey, and many cats on dry diets live in a mildly dehydrated state. Adequate hydration supports everything from kidney function to digestion.

Wet food helps keep your cat hydrated

which in turn helps prevent constipation and supports the kidneys and urinary tract. By providing moisture, wet food dilutes your cat’s urine and can reduce the risk of urinary crystal formation or urinary tract infections.

I learned this the hard way with a male cat of mine who had a urinary blockage; the vet emphasized that increasing water intake (via wet food and water fountains) was vital to prevent recurrence.

In fact, cats on all-wet diets generally have more water intake overall and produce more dilute urine – a good thing for bladder health.

Veterinarians often recommend moisture-rich diets for cats prone to FLUTD (feline lower urinary tract disease). As Dr. Brian Collins of Cornell’s Feline Health Center explains, cats with urinary issues benefit greatly from drinking more water. Wet food is a palatable way to achieve that.

Wet food is also beneficial for cats with kidney disease. When a cat’s kidneys are struggling, staying hydrated can help them function better. Wet food provides additional fluid to flush toxins from the blood.

While it’s not a cure, many kidney-support diets for cats are available in canned form and are formulated to be very high in moisture.

In summary, hydration is life for cats, and wet food is one of the easiest ways to get water into your kitty’s system as part of their daily routine.

Easier Digestion and Less Mess

Pills of nutritional supplements and probiotics for better digestion.

Cats often find wet food easier to chew and digest. The soft, moist texture is gentle on the mouth and digestive tract. This is especially important if your cat has dental issues or is missing teeth.

A cat with sore gums or few teeth might struggle to crunch hard kibble, but they can lap up and mash wet food without pain.

For cats that have had dental surgeries or senior cats with dental disease, wet food can be a real lifesaver, ensuring they keep eating and get the nutrition they need.

I’ve fostered senior cats who had almost no teeth left – wet food was the only way they could comfortably eat enough.

From a digestion standpoint

The higher moisture content in wet food may help prevent constipation. The extra water keeps things moving in the gut.

Also, many wet foods are formulated with highly digestible protein and fat, since they tend to contain fewer fillers than some dry foods. This can lead to smaller, less smelly stools (a nice perk for the human cleaning the litter box!).

Some cat owners also report fewer hairballs when their cats eat mostly wet food, possibly because of better hydration and digestion, though individual results vary.

Weight Management and Obesity Prevention

Alarm clock on a white plate on blue background.

If your cat needs to lose weight or maintain a healthy weight, wet food is often a great choice. Canned food typically has fewer calories per volume than dry food.

Think of it this way: wet food is diluted with water (in a good way), so a cat can eat a satisfying portion, feel full, but consume fewer calories than if they ate a smaller volume of calorie-dense kibble.

In practical terms, a quarter-cup of dry food might have the same calories as a whole can of wet food.

Many cats will feel more satiated after eating the can of wet food because of the higher volume and water content, even though they took in the same or fewer calories.

Examples from real life

My friend experienced this with his cat Luna, who needed to slim down a bit. Simply switching her from free-fed dry food to measured wet food portions helped her slowly lose the extra weight without her begging for food constantly.

Wet food’s high protein content and lower carbohydrate content (more on that shortly) also align better with a cat’s natural metabolism, which can aid in keeping a healthy body composition.

In fact, obesity prevention strategies often include feeding controlled portions of wet food rather than allowing unlimited dry food, since it’s easier to inadvertently overeat kibble.

One study noted that cats fed more than half their diet as dry food had increased odds of being overweight, up to 79% higher risk in some cases, compared to cats fed mostly wet food. While many factors influence weight, incorporating wet food and feeding set meals can be an effective weight management strategy.

High Palatability and Appetite Stimulation

Round metal can with canned fish or meat with a key

Most cats go absolutely crazy for wet food. It tends to be far more palatable and aromatic than dry food. The smell of wet food (while perhaps strong to us) is like a gourmet invitation to a cat.

If you have a picky eater or a cat with a poor appetite, offering wet food can really help. The rich aroma and meaty flavor of wet food stimulates cats’ appetites.

I’ve often joked that popping open a can of cat food is like ringing a dinner bell—cats come running from wherever they are.

This appetite appeal is especially useful if a cat is sick or elderly and isn’t eating well; warming up some wet food can entice them to eat when nothing else will.

Picky eater? Not a thing

Wet food also offers a wide variety of textures and flavors. There are pates, shreds, chunks in gravy, mousses, etc.

If your cat turns up their nose at one type, another might captivate them. This variety can keep mealtime interesting and prevent boredom.

In behavioral terms, giving your cat an enjoyable eating experience is a form of enrichment – it engages their senses of smell and taste strongly.

I personally love watching my cats get excited as I prepare their wet food; they meow and weave around my legs in anticipation, clearly enjoying not just the food but the ritual of it.

Palatability can have a downside: some cats love wet food so much that they gulp it too quickly. If you find your cat eats wet food too fast and then vomits, try pacing them by splitting the meal into two smaller servings spaced a few minutes apart.

Lower Carbohydrates – Good for Diabetic or Sensitive Cats

Canned meat in a tin can.

Wet foods are usually formulated to be lower in carbohydrates than dry foods. Dry kibble often requires some form of starch (carb) to bind it together, which can push the carb percentage fairly high.

In contrast, many canned foods (particularly pate varieties) have very little or no grains/potatoes, etc.

They focus on protein and fat, more akin to a cat’s natural prey diet. This makes wet food a preferred choice for cats with diabetes or those prone to blood sugar issues.

In fact, veterinarians frequently recommend a low-carbohydrate wet diet for managing feline diabetes. By reducing carbs, you can help stabilize the cat’s blood glucose levels.

Some diabetic cats have even shown improvement or remission of diabetes when switched to a strictly low-carb wet food diet (under veterinary supervision). 

Dental Health and “Chewing” Considerations

The doctor takes swab from the cat's mouth for analysis. Veterinarian and pet health

There’s a popular myth that dry food cleans a cat’s teeth, but in reality, most kibble does not provide significant dental benefits (cats tend to swallow kibble pieces whole or crunch them too quickly for abrasive cleaning). So, feeding wet food is not inherently worse for teeth.

What matters more for dental health is regular veterinary dental care and, if your cat allows, tooth brushing or dental treats. For cats with healthy teeth, wet food poses no greater risk of dental issues than dry food.

In fact, as noted earlier, for cats with existing dental problems, wet food is far better because it’s soft and painless to eat.

That being said

Do be mindful of dental hygiene. Wet food can leave residue, so it’s good practice to rinse or wipe the food bowl after each meal. Also consider providing dental chew toys or treats approved by the Veterinary Oral Health Council (VOHC) if your cat is prone to tartar.

Some owners alternate between wet and dry feedings thinking it helps teeth; if your cat enjoys a bit of dry and it fits their diet, that’s fine, but don’t rely on kibble as the sole dental plan.

I once raised this concern with my vet and she told me, “I’d rather see a cat eat a species-appropriate diet (like wet food) and have their teeth brushed, than eat only dry food and still get dental disease.”

In short, wet food is perfectly compatible with good dental health as long as overall dental care is maintained.

Behavioral Enrichment and Routine

Cute domestic kitten with blue eyes lying on a fluffy rug, looking curious.

Feeding time is an important part of your cat’s day, and wet food can make it even more enriching. The variety of textures and flavors keeps things interesting for your cat’s senses.

Some cats get bored with the same dry food day in and day out; introducing wet food can add excitement and positive stimulation.

You can rotate different recipes or protein sources (be cautious with abrupt changes if your cat has a sensitive stomach, but mild variation can be fine).

In our SnuggleSouls community, many of us share fun ideas like using Lickimats or slow-feeder bowls with wet food, which let the cat lick and work a bit for their food, providing a mental challenge similar to hunting.

I occasionally stuff some wet food into a food puzzle toy – my cat has to bat it around to get the food out, which mimics the prey chase and provides entertainment.

Additionally

Since wet food meals are scheduled, they can create a comforting daily routine. Cats love predictability. My cats seem to take pride in reminding me when it’s dinner o’clock, and after they eat, they groom and settle in for a contented nap.

This routine can reduce stress and even help with behavior issues (some behaviorists recommend meal feeding to give cats structure).

If you have multiple cats, feeding wet food at set times also allows you to supervise and ensure everyone eats their own portion and doesn’t steal each other’s, which can improve household harmony.

Conclusion

Switching to wet food (or even just increasing it) can feel like a small change—but it delivers big benefits: better hydration, smoother digestion, easier weight control, and a happier, more satisfied cat.

Whether you have a senior with sensitive teeth, a kitten learning to eat, or a picky adult on a hunger strike, wet food can be part of the solution.

In addition to what is mentioned in this article, it is necessary to know more about wet food. A complete guide can help you better provide your cat with a healthy and perfect meal.

👉How Much Wet Food to Feed a Cat: A Complete Feeding Guide for Every Life Stage

Every cat is different, so explore textures, observe reactions, and find the formula that fits. And if you’ve already experienced the difference wet food can make, we’d love to hear your story in the SnuggleSouls community.

FAQ

Is wet food really necessary if my cat drinks from a water fountain?

Even if your cat drinks water, most cats don’t consume enough voluntarily. Wet food naturally supplements their hydration and is especially helpful for urinary and kidney health.

Can I feed wet food exclusively?

Yes, as long as the wet food is labeled “complete and balanced.” Many cat parents feed only wet food with great success, but you should still monitor calorie intake and your cat’s weight.

Will wet food spoil my cat’s teeth?

Not inherently. Dental issues relate more to hygiene than food type. Wet food is soft and can be better for cats with dental problems. Combine it with regular vet cleanings or dental chews.

My cat loves wet food too much—how do I avoid overfeeding?

Measure portions based on caloric needs (consult our feeding chart). Split meals into 2–3 portions daily, and resist the urge to refill just because your cat begs. Wet food is tasty—but it’s still calories!

What type of wet food texture is best for cats?

There’s no one-size-fits-all answer. Try a few: meat sauce, shreds in broth, chunks in gravy. Cats have texture preferences just like humans. Some prefer variety, others are loyal to one format.

References

Buffington, C. A. T., Westropp, J. L., & Chew, D. J. (2014). Feline lower urinary tract disease. In Textbook of Veterinary Internal Medicine (8th ed.). Elsevier.

Laflamme, D. P. (2005). Nutrition for aging cats and dogs and the importance of body condition. Veterinary Clinics: Small Animal Practice, 35(3), 713–742.

National Research Council (U.S.). (2006). Nutrient Requirements of Dogs and Cats. Washington, DC: National Academies Press. https://nap.nationalacademies.org/catalog/10668/nutrient-requirements-of-dogs-and-cats

Zoran, D. L. (2002). The carnivore connection to nutrition in cats. Journal of the American Veterinary Medical Association, 221(11), 1559–1567. https://avmajournals.avma.org/view/journals/javma/221/11/javma.2002.221.1559.xml

German, A. J. (2006). The growing problem of obesity in dogs and cats. The Journal of Nutrition, 136(7 Suppl), 1940S–1946S. https://www.sciencedirect.com/science/article/pii/S0022316622083523?via%3Dihub

Cornell Feline Health Center. (2020). Hydration and Kidney Health in Cats. Cornell University College of Veterinary Medicine. Retrieved from https://www.vet.cornell.edu

Saavedra C, Pérez C, Oyarzún C, Torres-Arévalo Á. (2024). Overweight and obesity in domestic cats: epidemiological risk factors and associated pathologies. PMID: 39560296; PMCID: PMC11577473. https://pmc.ncbi.nlm.nih.gov/articles/PMC11577473/