Quick answer

Our top pick for the best high protein cat food for weight gain is Royal Canin Veterinary Diet Recovery RS. This high-calorie, high-protein formula is designed to help cats regain weight after illness or surgery. For a more affordable option, Purina Pro Plan High Protein True Nature provides excellent protein content and taste. If your cat has a sensitive stomach, Hill’s Science Diet Adult Sensitive Stomach & Skin is a great choice.

What to consider for High Protein Cat Food For Weight Gain

When choosing a high protein cat food for weight gain, focus on calorie density (look for at least 400 kcal/can or 450 kcal/cup for dry), protein content (over 40% dry matter), and high-quality animal-based proteins. Wet foods often have higher moisture but can be less calorie-dense, so you may need to feed more. Also consider the cat’s life stage and any health issues like kidney disease, which may require lower protein. Always consult your vet before changing your cat’s diet, especially for weight gain.

What to look for in a cat food

Look for a statement that the food is complete and balanced according to AAFCO for the appropriate life stage (adult maintenance, growth, or all life stages). The first ingredient should be a named meat (e.g., chicken, salmon) to ensure high animal protein. Taurine is essential for cats and must be listed. For weight gain, wet food can help with hydration and urinary health, but dry food is more calorie-dense. Choose a food suited to your cat’s age and condition, such as kitten food for growing cats or senior formulas for older cats.

How we chose these picks

  • We evaluated protein content and calorie density from guaranteed analysis and feeding guides.
  • We prioritized foods with named meat as the first ingredient and high animal protein percentages.
  • We considered palatability based on reviews and brand reputation.
  • We checked for AAFCO complete and balanced statements for the correct life stage.
  • We looked for added taurine and essential fatty acids.
  • We compared price per calorie to ensure value.
  • We reviewed ingredient lists for unnecessary fillers or artificial additives.
  • Never ranked a product higher just because it pays a commission.

What to avoid

  • Avoid foods with no named meat or with meat by-products as the first ingredient.
  • Steer clear of foods that do not list taurine or have inadequate protein levels (below 30% dry matter).
  • Do not default to all-life-stages food for a senior or kitten without checking the specific nutrient profile.
  • Avoid abrupt diet switches; transition over 7 to 10 days to prevent digestive upset.

For more guidance, check out our cat guides, cat food reviews, and cat health tips.

Sources and further reading