Senior Cat Nutrition: Feeding an Older Cat
Vet-reviewed via PetHealth+ · Last reviewed June 2026
Older cats need highly digestible, palatable food with adequate protein unless kidney disease requires modification. Warm food slightly and offer multiple small meals if appetite fades.
Muscle maintenance
Ageing cats lose muscle mass — protein quality matters.
Kidney disease
Very common in seniors; prescription renal diets may be recommended.
Hydration
Encourage water via fountains and wet food.
Related: Senior cat care · Kidney disease in cats
Frequently asked questions
When is a cat considered senior?
Around 11 years, with geriatric care often from 15 years.
Why is my old cat skinny?
Hyperthyroidism, kidney disease, dental pain, and diabetes are common — vet blood tests help.
Should I feed renal food without a diagnosis?
No — renal diets are for diagnosed kidney disease under vet supervision.
Are milk treats OK for senior cats?
Most cats are lactose intolerant — use cat-specific treats instead.