Best Cat Foods for Underweight Cats

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An underweight cat in the alley looking for cat food.
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Seeing your cat healthy and active is every car owner’s dream. However, due to climate and other conditions, cats seem to decrease their weight. This means that cat owners are now in search of the best cat food for underweight cats.

In a Hurry? Here are Our Top Choices

Time and again, your cat’s appetite might be related to other problems, and you should consult a vet. However, your feline friend is sometimes fed up with your boring food and wants something new.

The 5 Best Cat Foods for Underweight Cats

Most cat owners are always innovating with their cat’s food to keep them coming back for more. This is a clever approach to have a healthy feline friend, but this can become costly. Therefore, you should try the best cat food for underweight cats from our list to improve your feisty little feline friend’s weight and muscle fiber.

1. Iams Proactive Health Kitten Dry Cat Food Chicken Recipe

IAMS PROACTIVE HEALTH HEALTHY KITTEN Dry Cat Food with Fish Oil and Chicken, 16 lb. Bag
  • Contains one (1) 16 lb. bag of IAMS PROACTIVE HEALTH Healthy Kitten Dry Cat Food Kibble with Chicken
  • Chicken is the 1st ingredient in this nutrient-rich kitten food, made to help your kitten develop and grow into a strong, lean, healthy adult cat
  • Helps promote healthy brain development with omega-3 DHA
  • With nutrients like those in mother’s milk plus vitamin E to help kittens build strong immune defenses
  • Made in the USA with the World’s Finest Ingredients
  • Helps your kitten develop healthy digestion with natural fiber and prebiotics
  • Helps promote strong vision development and healthy heart with taurine
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Iams proactive healthy kitten dry food is the best choice for adult cats who have stopped eating. Sometimes, this change in appetite is because of age, but there can be other underlying causes. Getting your cat checked by the vet is one thing, but improving its diet is also important. With Iams Proactive, your cat will receive 32% protein, 21% fat, and 3.0% fiber, making this cat food and all-rounder.

Its delicious tender chicken recipe is delicious and provides a mouthwatering experience to your kitty. If they aren’t eating enough, just whip open this can, and your little feline friends would come running.

2. Iams Proactive Health High Protein Adult Cat Food with Chicken & Salmon

IAMS PROACTIVE HEALTH High Protein Adult Dry Cat Food with Chicken & Salmon Cat Kibble, 6 lb. Bag
  • Contains one 6 lb. bag of IAMS PROACTIVE HEALTH High Protein Dry Cat Kibble with Chicken & Salmon
  • Chicken is the #1 ingredient in this protein rich cat food to help support strong muscles and provide healthy energy for play
  • High concentration of high quality protein helps maintain muscles and nourishes a healthy heart
  • Tailored fiber blend includes prebiotics and beet pulp to support your cat’s digestive health
  • No soy, no artificial dyes, and no artificial preservatives—just real ingredients with the flavors cats want and the nutrients cats need for optimal health
  • This indoor or outdoor cat kibble includes calcium for strong teeth and healthy bones
  • Nourished with the optimal Omega-6 to Omega-3 fatty acid ratio for soft, shiny, healthy feline co
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Iams Proactive Health High Protein is a top choice for cat owners because of its high protein count. With a delicious blend of chicken and salmon in one pack. This cat food is sure to reel in even the neighbor’s cat, let alone yours. With a protein count of 38%, the highest in any cat food, and fat at 18% minimum, your cat will quickly gain weight if treated with this product.

Iams Proactive health high protein is packed with more than your everyday calories. It contains a good amount of vitamins and antioxidants that will boost your acts immune system. It claims a calorie count of 371kcal/cup, which sounds like good news for cat owners looking to bulk up their furry friends.

3. Natural Balance L.I.D. Limited Ingredient Diets Dry Cat Food, Grain-Free

Natural Balance L.I.D. Limited Ingredient Diets Dry Cat Food, Green Pea & Duck Formula, 10 Pounds, Grain Free
  • Contains (1) 5 pound bag of dry cat food
  • Grain-free, limited ingredient diet with a single animal protein source
  • Helps minimize the number of ingredients cats are exposed to
  • Duck is a high-quality protein that helps maintain strong muscles
  • Supports healthy skin and a shiny c
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Natural balance L.I.D is quite the famous brand among cat owners after they started making their name in 1989. Working in the cat food industry for more than 30 years, this brand knows more about your cat than you do.

Its 100% grain-free option is made with only the best salmon, which is a mouthwatering treat for your furry little friend.  The limited-diet ingredients in this cat food are a good source of natural minerals and calories that boost your cat’s weight.

Many cat owners have testified that their cats go wild for their food in favor of Natural Balance L.I.D. So, if your cat has been avoiding meals, it’s time to bring in Natural Balance L.I.D to improve protein consumption and mineral balance.

4. Purina O.N.E. Tender Selects Blend Adult Dry Cat Food

Purina ONE Natural Dry Cat Food, Tender Selects Blend With Real Salmon – 16 lb. Bag
  • 16 Lb. Bag - Purina One Tender Selects Blend With Real Salmon Adult Dry Cat Food
  • Real Salmon Is The #1 Ingredient
  • High Protein Helps Support Strong Muscles
  • Natural Plus Essential Nutrients
  • 100% Complete And Balanced Nutrition For Adult C
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With a solid brand image and quality products delivered over the years, Purina never lets its customers down on a promise it makes. Formulated with protein-rich crunchy bites, Purina O.N.E. Tender is sure to help your cat improve its weight. Crafted in the USA, Purina One claims that its product contains no fillers, and each ingredient is added for a purpose.

Its taste is scrumptious, and your cat won’t be able to stop munching on this crunchy dry cat food. The product comes packed with 34% protein, 13% fat, and 2% fiber. Although these percentages seem less, Purina boasts that this ratio is a balanced proportion for weight gain.

5. Blue Buffalo Healthy Living Natural Adult Dry Cat Food

Blue Buffalo Healthy Living Natural Adult Dry Cat Food Chicken & Brown Rice 15-lb
  • REAL MEAT FIRST: Blue Buffalo dry cat food always features real meat as the first ingredient. High-quality protein from real chicken helps your cat maintain strong muscles. Plus it contains wholesome whole grains, garden veggies and fruit.
  • FOR ADULT CATS: BLUE Healthy Living Adult Cat Food contains high-quality protein and natural sources of fiber to help provide optimal nutrient absorption and digestive health. Plus it contains omega 3 & 6 fatty acids to help promote a shiny coat and healthy skin.
  • WITH LIFESOURCE BITS: This formula contains BLUEâ€s exclusive LifeSource Bits – a precise blend of antioxidants vitamins and minerals carefully selected by holistic veterinarians and animal nutritionists, to support immune system health, life stage requirements, and a healthy oxidative balance.
  • NATURAL CAT FOOD: BLUE dry cat food is formulated for the health and well-being of your cat and features the finest natural ingredients enhanced with vitamins and minerals. It never contains chicken (or poultry) by-product meals corn, wheat, soy, artificial flavors or preservatives.
  • Contains one (1) 15 lb. bag of BLUE Healthy Living Natural Adult Dry Cat Food Chicken & Brown R
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Last but not least, Blue Buffalo is another cat food for underweight cats that shows magnificent results. With its high protein count of 38%, it’s a promising treat that might just do the trick for your cat.

However, cat food for weight gain is not just about having a high quantity of minerals and calories. It’s more about the taste. If your cat doesn’t eat what’s on the plate, there is no point in offering high-calorie food.

The case is a little different for Blue Buffalo. Its delicious taste and crunchy bits reel in the laziest of cats to go wild. The product comes packed with 14% fat and 4% fiber, the highest in any cat food we reviewed.

This is a promising product for cat owners with underweight cats. Its diverse taste in every flavor will keep things exciting for your feline friend.

Our Final Thoughts

Now that you’ve seen our choices for the best cat foods for underweight cats, you’ll be able to make a smarter purchase. Any of these cat foods will help your cat gain weight and become healther.