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Senior Cat Nutrition: Appetite Changes and Supporting Kidney Health

Senior Cat Nutrition: Appetite Changes and Supporting Kidney Health

Most cats change a little as they get older. 

Sometimes it’s food habits owners notice first. A cat that used to clear the bowl suddenly leaves food behind, loses interest in biscuits they’ve eaten for years, or starts wandering off halfway through meals. Some senior cats also begin drinking more water than they used to. 

A lot of the time the changes happen slowly enough that owners don’t think much of it at first. It’s only after a while that you realise their routine around food has changed quite a bit. 

Some cats eat less. Some become fussier. Others just seem less interested in food than they used to be. 

Making sure they’re eating properly, drinking enough water, and choosing suitable senior cat food can help support changing nutritional needs as cats move into their senior years. 

Why Older Cats Sometimes Eat Differently 

A lot of older cats become a bit different around food. 

Sometimes it starts with them walking away halfway through a meal. Sometimes they suddenly stop eating biscuits they used to love. Other cats just become picky for no obvious reason. 

Part of that can simply come with age. 

Cats use smell far more than people realise when it comes to eating. As they get older, food can lose some of its appeal because they don’t pick up the smell as strongly anymore. 

There can be other small reasons too. Dental discomfort can make crunchy food less enjoyable, and some senior cats just seem to prefer softer textures after a while. 

You might notice your cat: 

  • eating more slowly than before 

  • leaving dry food behind 

  • preferring wet food 

  • wandering back and forth from the bowl 

  • eating smaller portions 

  • seeming less excited at mealtimes 

Some older cats just seem less interested in food than they used to be. They often sleep more, slow down a bit, and don’t always come running over at mealtimes like they did when they were younger. 

Wet food sometimes helps here. A lot of senior cats seem to prefer it once they get older, probably because it smells stronger and is easier to eat than crunchy biscuits. 

But if your cat suddenly stops eating properly, starts dropping weight, or is barely touching food at all, it’s worth speaking to your vet. It’s easy to assume it’s “just age”, but that isn’t always the case. 

A siamese cat yawning

Signs Your Senior Cat’s Nutrition May Need Reviewing 

A lot of nutrition-related changes in senior cats happen slowly rather than suddenly. 

Because of this, it’s often the small things that owners notice first. 

You may see: 

  • Weight loss or a thinner body shape 

  • Increased drinking 

  • Less interest in food 

  • Lower energy levels 

  • Digestive upset 

  • Vomiting more often 

  • Changes in litter tray habits 

  • A duller coat condition 

Not every change in an older cat points towards one specific issue. Cats slow down and change habits as they age, so sometimes the differences can be quite subtle at first. 

Food can change a bit too.  

Some older cats definitely become fussier around food with age. Others slowly start preferring softer meals, or just never seem to drink quite enough water on their own. Weight loss can creep up gradually too, especially if your cat has been eating slightly smaller portions over time without it really standing out at first. 

For some owners, this is also when veterinary diets first get mentioned during vet appointments. 

Even small things like checking your cat’s weight now and again or noticing changes around food and water can help you spot when something’s changed. 

Why Hydration Matters More For Senior Cats 

Hydration tends to become a bigger topic once cats get older. 

The tricky thing with cats is that many of them don’t naturally drink very much water anyway. They tend to get moisture through food instead, which is why some cats hardly seem interested in their water bowl at all. 

Once cats get older though, changes around drinking habits often become more noticeable. Some senior cats suddenly seem to drink far more than they used to, while others still barely touch water. 

Food can help with this quite a bit. 

A lot of owners include wet food in their cat’s diet simply because it adds extra moisture throughout the day without really changing their routine too much. 

Things that can sometimes help encourage hydration include: 

Feeding Wet Food Daily 

Wet food increases moisture intake throughout the day without relying entirely on drinking. 

Leaving Water Bowls In Different Rooms 

Some cats seem to drink more when water is available in several places around the house. 

Trying A Fountain 

A lot of cats prefer moving water. 

Refreshing Water More Often 

Cats can be surprisingly fussy about stale water. 

Mixing Water Into Food 

Even adding a little extra water to meals can help increase hydration. 

Feeding A Mixture Of Wet And Dry Food 

Food and hydration usually start becoming much more connected once cats get older Some owners prefer mixed feeding rather than sticking to one type of food. Our guide on Wet Food vs Dry Food explains more about the differences. 

What To Look For In Food For Older Cats 

Senior cats don’t always need a completely different diet, but food that suited them a few years ago doesn’t always suit them in exactly the same way later on. 

Weight loss can also become more noticeable in older cats, especially if they’ve slowly started eating less over time. Some senior cats lose muscle quite easily if they aren’t getting enough food or if meals no longer seem as appealing as they used to. 

High-Quality Protein 

Protein still matters just as much for senior cats. 

Good-quality animal protein helps support muscle maintenance and overall wellbeing, even in less active cats. 

Easily Digestible Ingredients 

Some cats seem to become more sensitive around food as they get older too. Things they used to eat without any issues can suddenly start upsetting their stomach or putting them off meals altogether, switching to a diet suited for sensitive digestion can help. 

If your cat has digestion issues alongside appetite changes, our guide on sensitive stomachs in cats goes into a bit more detail about gentler feeding approaches. 

Moisture Content 

Moisture can become much more important for older cats, especially ones that have never really been big drinkers. 

That’s one reason a lot of owners start adding more wet food into their cat’s routine. It helps increase moisture intake while also being easier for some senior cats to eat. 

Balanced Nutrition 

Older cats still need balanced nutrition, even if they’re less active than they used to be. 

Kidney issues also become much more common in senior cats, which is why some owners start looking into kidney support cat food or a renal diet for cats as they get older. Vets may recommend options like renal & cardiac cat food or other veterinary diets depending on your cat’s individual needs.  

Feeding Tips For Senior Cats With Smaller Appetites 

When an older cat starts eating less, even fairly small adjustments can sometimes help make food more appealing again. 

Offer Smaller Meals More Often 

Large meals can feel overwhelming for some senior cats. Smaller portions spread throughout the day are often easier to manage. 

Warm Food Slightly 

Warming food a little can make the smell stronger, helping tempt cats that seem less interested in meals. 

Experiment With Texture 

Some cats prefer pâté-style wet food, while others prefer chunks in gravy or softer dry food. 

Keep Feeding Areas Calm 

Quiet, stress-free feeding spaces can help nervous or older cats feel more comfortable. 

Introduce Food Changes Slowly 

Sudden changes in diet can upset digestion or put cats off eating altogether. 

Keep An Eye On Weight 

Weight loss can happen slowly in senior cats, so regular monitoring can help you spot changes sooner. 

If your older cat is not eating properly or appetite changes continue for more than a short period, it’s important to contact your vet for advice. 

When To Speak To Your Vet 

Some appetite changes can happen naturally with age, but there are still times when it’s important to speak with your vet. 

You should contact your vet if you notice: 

  • Ongoing appetite loss 

  • Noticeable weight loss 

  • Increased drinking or urination 

  • Vomiting 

  • Changes in litter tray habits 

  • Low energy levels 

  • Refusing food completely 

While supportive nutrition can help many senior cats, only a vet can properly assess underlying health issues and recommend the most appropriate care. 

In some situations, your vet may suggest nutritional support through specific feeding plans or veterinary diets. 

Final Thoughts 

As cats get older, changes around food and drinking habits tend to become more noticeable. Sometimes it’s just small things at first, like eating a bit less or becoming fussier around meals. 

Keeping an eye on hydration, weight, and appetite can help you spot changes earlier, especially in senior cats. 

If your cat seems to be eating less than usual, drinking much more water, or acting differently around food, it’s always best to speak with your vet before making major changes to their diet. 

If you’d like more information about any of our products, feel free to contact our team, we’re always happy to help.

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