Top Cat Foods for Weight Loss in 2026

Obesity is a significant concern for domestic cats, with a reported 33.8% classified as obese and 27.7% overweight in 2018. This situation raises important health issues, as obesity can lead to diabetes, heart disease, and other medical concerns. The primary cause of weight gain in cats often relates to their diet, making the right food selection crucial for maintaining health and assisting in weight loss.

For cat owners looking to help their pets shed pounds, here are the best cat foods for weight loss available in 2026, along with detailed reviews for each option.

1. **Smalls Fresh Cat Food Subscription** - This food offers pre-portioned, fresh meals made with natural ingredients. Available in various proteins, it supports overall health, though it operates on a subscription model without a free trial.

2. **Purina Pro Plan Focus Weight Management Dry Cat Food** - This option provides a budget-friendly formula with a protein content of 43%. However, it contains 437 calories per cup, which is higher than the ideal range for weight loss foods.

3. **Hill's Prescription Diet Metabolic Weight Management Cat Food** - Known for its effectiveness, this high-protein (33%) food is recommended for cats needing significant dietary adjustments but requires veterinary authorization.

4. **Evanger's Low-Fat Vegetarian Dinner Canned Cat Food** - Made of vegetables and grains, this low-fat option is best as a supplementary choice rather than a sole diet, given that cats require meat for essential nutrients.

5. **Solid Gold Adult Grain-Free Weight Control Cat Food** - With a protein content of 31% from Alaskan Pollock, this grain-free dry food also contains probiotics for gut health, although its carbohydrate level is relatively high.

6. **Blue Buffalo Adult Weight Control Cat Food** - This formula features deboned chicken and offers a balanced approach for maintaining weight, although some owners have noted their cats may not prefer it.

7. **Purina Pro Plan Focus Weight Management Canned Cat Food** - A wet food option with turkey as the first ingredient, it has lower calories at 79 per can, promoting hydration and nutrient absorption.

8. **Royal Canin Ultra-Light Canned Weight Loss Cat Food** - Designed for weight loss, it contains only 54 calories per can, but features by-products and a high carbohydrate content.

9. **Hill's Prescription Diet Weight Reduction Dry Cat Food** - Formulated to reduce weight safely, this food has 31% protein and includes a mix of fibers to aid digestion, requiring veterinary approval for purchase.

When selecting cat food for weight loss, consider the nutritional balance, protein sources, low-calorie content, and necessary vitamins and minerals. The goal should be to provide a diet that promotes weight loss while ensuring the cat's health and well-being. Remember, dietary changes should be gradual, and it's essential to consult with a veterinarian for tailored advice on pet diets and weight management.