What should I feed my senior dog?

Dogs are generally considered "senior" from age 7 (large breeds from age 5). As dogs age, their metabolism slows, muscle mass decreases, organ function changes, and joint problems become common. Nutrition plays a critical role in managing these changes.

Lower calorie needs, same protein requirements

Many owners assume senior dogs need less protein — research has shown the opposite. Senior dogs actually need more high-quality protein to prevent muscle loss (sarcopenia), not less. What they do need fewer of is calories, since activity typically drops.

Choose a senior food with a protein content of at least 25–30% dry matter from named animal sources.

Joint support

Arthritis is the most common condition in senior dogs. Look for foods or supplements containing:
- Omega-3 fatty acids (EPA/DHA from fish oil) — reduce joint inflammation
- Glucosamine and chondroitin — support cartilage health

Many senior-formula foods include these, or you can add fish oil to any food (consult your vet for dosing).

Digestibility

Older dogs absorb nutrients less efficiently. Highly digestible proteins (chicken, fish, eggs) and easy-to-digest carbohydrates help maintain weight and energy. Some senior dogs benefit from smaller, more frequent meals (3 times daily) rather than twice a day.

Hydration

Senior dogs are more prone to kidney disease and urinary issues. Increasing moisture intake through wet food, adding water to kibble, or using a pet fountain can help protect kidney function.

What to watch

- Weight loss despite eating well — possible kidney disease, diabetes, hyperthyroidism, or cancer
- Weight gain without increased food — possible hypothyroidism or reduced activity
- Changes in appetite — dental pain is the most overlooked cause of reduced eating in seniors

Flovvi tip

Log your senior dog's weight monthly in Flovvi. A weight change of more than 5% in 4 weeks is a flag worth discussing with your vet at the next appointment.