Senior dog with greying muzzle eating a balanced meal from a bowl at home

Senior Dog Diet: What to Feed Your Aging Dog

Every dog ages — but the transition to senior life is a gradual shift in physiology, not a single moment. Joints stiffen. Metabolism slows. Muscle fibres thin. The advice you find for “senior dog diet” online is often too generic to be useful, treating every older dog as a single category when in reality a seven-year-old Labrador and a fourteen-year-old Chihuahua have almost nothing in common nutritionally. This article covers what the evidence says about senior dog nutrition and what to feed an older dog — how aging changes nutritional needs, which supplements have the strongest backing, and — critically — what changes when your senior dog carries a concurrent health diagnosis. ...

May 18, 2026 · 9 min · FeedYourDog