Best Cat Milk Replacers of 2026

Janie Foster Avatar
Janie Foster
Last Updated: Jan 15, 2026

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Cat milk replacers are a great option for kittens who are orphaned, abandoned, or rejected by their mother. These products are specially formulated to provide all the necessary nutrients that a kitten needs in their early life stages. They are available in both powder and liquid form and can be easily mixed with water. These replacers contain high levels of protein, fat, and other essential nutrients that mimic the composition of a mother cat's milk. Cat milk replacers are a convenient and effective way to ensure that kittens receive the proper nutrition they need for healthy growth and development.

At a Glance: Our Top Picks

Manna Pro Nurse All Multi-Species Milk Replacer Cover #TOP 1
Manna Pro Nurse All Multi-Species Milk Replacer
ftb score rating icon 9.8
WHISKAS CATMILK PLUS Cover #TOP 2
WHISKAS CATMILK PLUS
ftb score rating icon 9.7
PetAg KMR Kitten Milk Replacer Powder Cover #TOP 3
PetAg KMR Kitten Milk Replacer Powder
ftb score rating icon 9.5

Top 10 Cat Milk Replacers

#TOP 1

Manna Pro Nurse All Multi-Species Milk Replacer

1000362
Manna Pro Nurse All Multi-Species Milk Replacer Cover
Manna Pro Nurse All Multi-Species Milk Replacer, Great for Calves, Lambs, Goat Kids, Foals, Baby Pigs, Llamas, Alpaca Crias, Puppies & Kittens, Provides Complete Nutrition, 3.5 lb

The Manna Pro Nurse All Multi-Species Milk Replacer is a convenient and healthy option for feeding your newborn puppies and kittens. This milk replacer is made with real milk protein and features probiotics to support your baby animal's healthy growth and development. The Opti-Gut formula helps control harmful bacteria and promote the growth of good bacteria in the digestive tract. It is also easy to mix and store, and formulated to feed 9 different species of baby animals.

What We Like
Good for kittens and puppies
Supports pregnant and nursing animals
Helps recovery for sick animals
Affordable bulk pricing
Easy to mix with food
What We Don't Like
Does not mix well with cold water
Not intended for human consumption
#TOP 2

WHISKAS CATMILK PLUS

WHK-032
Cream
WHISKAS CATMILK PLUS Cover
Whiskas Catmilk Plus Drink for Cats and Kittens 24 Count, 6.75 Ounces

Whiskas Catmilk is a protein-rich drink specially formulated for cats and kittens. With 98% reduced lactose, it is easy to digest, making it suitable even for cats with sensitive stomachs. Enriched with essential nutrients like calcium and crude protein, it promotes healthy teeth and bones. The real milk flavor is loved by cats, making it a delightful treat for them. Each pack contains twenty-four 6.75-oz. cartons, ensuring you have an ample supply. Whether you want to provide additional nourishment or simply reward your feline friend, Whiskas Catmilk is a convenient and beneficial choice.

What We Like
Appeals to kittens and sick cats
Supports healthy growth
Enjoyed by picky eaters
Vet-approved results
Good for weaning
What We Don't Like
Occasional digestive issues
Rare batch quality concerns
#TOP 3

PetAg KMR Kitten Milk Replacer Powder

99511
blue
PetAg KMR Kitten Milk Replacer Powder Cover
PetAg KMR Kitten Milk Replacer Powder - 12 oz - Powdered Kitten Formula with Prebiotics, Probiotics & Vitamins for Kittens Newborn to Six Weeks Old - Easy to Digest

PetAg KMR Milk Replacer is a high-quality powdered drink mix designed to provide essential vitamins, minerals, and trace nutrients for kittens that have been orphaned or rejected. It is easy to mix, highly palatable, and easily digestible for kittens. This milk replacer is specifically formulated for newborn kittens up to 6 weeks old, supplying them with the necessary milk proteins and taurine they need for healthy growth. With the inclusion of prebiotics and probiotics, PetAg KMR Milk Replacer supports a healthy digestive system in young kittens. PetAg is a trusted brand that delivers excellent care solutions for both pet owners and animal professionals.

What We Like
Easy to mix
Highly nutritious for kittens
Saves sick or weak kittens
Well-tolerated, no diarrhea
Suitable for all ages
What We Don't Like
May cause mild constipation
Can form clumps when mixing
#TOP 4

PetAg KMR Kitten Milk Replacer Powder

99508
6 Ounce (Pack of 1)
PetAg KMR Kitten Milk Replacer Powder Cover
PetAg KMR Kitten Milk Replacer Powder - 6 oz - Powdered Kitten Formula with Prebiotics, Probiotics & Vitamins for Kittens Newborn to Six Weeks Old - Easy to Digest

PetAg Kitten Milk Replacer is a high-quality formula designed for newborn to six-week-old kittens. This powder formula contains prebiotics and probiotics, which support the immune system and aid in optimal nutrient absorption. With the added digestive enzymes, it helps break down fat, protein, fiber, and carbohydrates, ensuring efficient digestion. Whether you are a pet owner or an animal professional, this supplement powder is an excellent care solution to provide your kittens with the nutrients they need. Simply add it to their daily diet and watch them thrive.

What We Like
High-quality formula
Supports immune system
Aids in optimal nutrient absorption
#TOP 5

PetAg KMR Kitten Milk Replacer Liquid

98501
PetAg KMR Kitten Milk Replacer Liquid Cover
PetAg KMR Kitten Milk Replacer Liquid - 16 oz - Ready-to-Feed Formula with Vitamins for Kittens - Easy to Digest

The PetAg KMR Kitten Milk is designed to support kittens when their mother’s milk isn’t available. It offers balanced nutrition similar to natural mother’s milk, providing the essential proteins, fats, and carbs your kitten needs to grow strong. This formula also includes added vitamins and minerals to help build your kitten’s immune system and support healthy digestion. Plus, it’s easy to digest thanks to a special fiber blend, making mealtime gentle on your kitten’s tummy. With this milk replacer, you can ensure your kitten gets the nourishment they need for a healthy start.

What We Like
Great nutrition for kittens
Kittens love the taste
No need to mix powder
Helps abandoned kittens thrive
Easy to digest
What We Don't Like
Higher price than alternatives
Occasional packaging issues
#TOP 6

Pet-Ag KMR Kitten Milk Replacer Powder

CPA99511
Pet-Ag KMR Kitten Milk Replacer Powder Cover
Pet-Ag KMR Kitten Milk Replacer Powder - 12 oz - Powdered Kitten Formula with Prebiotics, Probiotics & Vitamins for Kittens Newborn to Six Weeks Old - Easy to Digest

PetAg KMR Kitten Formula is designed to support kittens from newborn to six weeks old when their mother’s milk is unavailable. It offers nutrition closely matching natural mother’s milk, giving your kitten the right balance of protein, fat, and carbohydrates needed for healthy growth. The formula includes added vitamins, minerals, and beneficial prebiotics and probiotics to help boost your kitten’s immune system and promote smooth digestion. Mixing this formula is simple—just whisk one part powder with two parts warm water, making feeding easy and convenient. This product is gentle on tiny stomachs, helping your kitten absorb nutrients comfortably.

What We Like
Excellent kitten growth support
Highly digestible formula
No odor in litter box
Veterinarian recommended
Well tolerated, no bloating
What We Don't Like
High price
Occasional shipping delays
#TOP 7

Under the Weather Kitten Milk Replacer Powder with Colostrum

undertheweatherpet
MR COW KITTEN-MNF
Under the Weather Kitten Milk Replacer Powder with Colostrum Cover
Under the Weather Kitten Milk Replacer Powder + Colostrum | Kitten Milk Replacement Formula | Nutrient-Rich Formula with Colostrum for Immune & Digestive Support – 12 oz

The Under the Weather Kitten Milk is designed to closely match a mother cat’s milk, making it a great choice if you have orphaned or underweight kittens. It includes colostrum, which helps support your kitten’s immune system by providing important antibodies early on. The formula is gentle on sensitive stomachs, using easy-to-digest proteins and fats to reduce digestive upset. Whether you’re feeding newborns, pregnant cats, or seniors, this product offers flexible nutrition that can be a full meal or a supplement. This way, you can ensure your cats get the nutrients they need at every stage of life.

What We Like
Easy to mix
Puppy and kitten health support
Encourages growth and energy
Widely recommended
Convenient for weaning
#TOP 8

Nutri-Vet Milk Replacement For Kittens

99878-6
Blacks & Grays
Nutri-Vet Milk Replacement For Kittens Cover
Nutri-Vet Milk Replacer For Kittens, Powdered Milk, Kitten Essentials, Cat Care, Veterinarian Recommended Cat Essentials, Whelping Supplies, Nursing Supplies, 12oz

Nutri-Vet Milk Replacement For Kittens is a full meal replacement for newborns that contains essential amounts of protein, fat, and carbohydrates, plus vitamins, minerals, and amino acids that newborn kittens need. It is readily accepted by newborn kittens and produces excellent growth rates and weight gain. Nutri-Vet Milk Replacement also supports a healthy gut with Opti-Gut, a natural recipe, complete with probiotics for cats. Formulated by veterinarians, this product is made in the USA with globally sourced ingredients that meet the highest standards of quality and consistency.

What We Like
Promotes healthy growth
Easy to mix
Good taste for kittens
Helps with weight gain
Great value
What We Don't Like
Adult cats uninterested
Slightly loose stools possible
#TOP 9

PetAg Petlac Milk Powder for Kittens

99298
No Color
PetAg Petlac Milk Powder for Kittens Cover
Pet-Ag PetLac Powder for Kittens - 10.5 oz - Kitten Milk Replacement Powder for Kittens Newborn to Six Weeks Old - Easy to Digest

The PetAg Petlac Milk Powder is a kitten formula milk replacer that is recommended for orphaned or rejected kittens. It contains essential vitamins, minerals, and amino acids to support proper growth and development. The kitten milk replacement powder is formulated to be easily digestible and is easy to administer. PetAg is a trusted brand that delivers top-quality products for both owners and animal professionals.

What We Like
No diarrhea in sensitive kittens
Easy to mix with water
Improves weight and coat
Well-liked by kittens and adults
Good value and quantity
What We Don't Like
May clump if not mixed well
Occasional mild digestive upset
#TOP 10

Revival Animal Health Shelter’s Choice Kitten Milk Replacer Powder

1 Pound (Pack of 1)
Revival Animal Health Shelter’s Choice Kitten Milk Replacer Powder Cover
Revival Animal Health Shelter’s Choice Kitten Milk Replacer Powder, Complete and Balanced Milk Formula for Kittens and Adult Cats, Supports Healthy Growth and Digestion, 1 lb

The Revival Kitten Milk Replacer is perfect for feeding orphaned or shelter-born kittens, giving them the essential nutrition they need to thrive. It comes as an easy-to-mix powder—just add water to quickly prepare a smooth milk formula, saving you time and effort. This replacer is designed to fully support healthy growth and development, so you can feel confident your kitten is getting balanced nourishment. Plus, it helps promote a healthy digestive system, reducing the chance of diarrhea and keeping your kitten comfortable from the very first feeding.

What We Like
Easy mixing and dissolving
Supports healthy digestion
Improves weight gain
Well-formed stool
Loved by kittens
What We Don't Like
Limited local availability
Shipping takes extra day
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Is milk replacer good for cats?

Milk replacers, specifically powdered kitten milk replacement formula, are beneficial for kittens. It is recommended to use powdered formula instead of canned liquid formula to prevent diarrhea in kittens.

2. How long should kittens be on milk replacer?

Kittens should be solely fed with milk replacer until they reach 3-4 weeks of age. After this time, the weaning process can begin, and other sources of nutrition can be introduced.

3. What kind of milk can baby cats drink?

Baby cats, or kittens, should ideally drink their mother's milk. However, if that is not possible, they will require a kitten milk replacer, also known as KMR or kitten milk formula, as a suitable alternative.

4. Can I give my cat almond milk?

It is not recommended to give cats almond milk. Cats do not naturally consume nuts, and while a small amount of almond milk may not be harmful, it does not provide the necessary nutrition for cats and may have high fat content.

5. What does Karo syrup do for kittens?

Karo syrup, or a sugar source like pancake syrup or a sugar-water mixture, can be applied to a kitten's gums to increase blood sugar levels. This is done while warming the kitten and is typically done every 3 minutes.

6. Is there a milk that cats can drink?

Cats can consume whole, skim, or lactose-free milk in small quantities, as long as they do not have any adverse reactions such as vomiting or diarrhea. Some experts suggest that cream may be a better option as it contains less lactose than whole or skim milk.

Editor's Notes

During our cat milk replacer research, we found 24 cat milk replacer products and shortlisted 10 quality products. We collected and analyzed 112,414 customer reviews through our big data system to write the cat milk replacers list. We found that most customers choose cat milk replacers with an average price of $28.67.

The cat milk replacers are available for purchase. We have researched hundreds of brands and picked the top brands of cat milk replacers, including Manna Pro, Whiskas, PetAg, undertheweatherpet, Nutri-Vet. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Janie Foster Avatar

Janie Foster is a writer & pet blogger from Los Angeles, she enjoys living with her two cats and three dogs. She owned her first dog 10 years ago and then started her personal blog to record her dog's daily life. Throughout her personal life, she has developed specialized knowledge in pet care, pet nutrition, feeding habits, and more.

Cat Milk Replacers Comparison Table

#TOP1
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#TOP5
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#TOP9
#TOP10
Brand Manna Pro Whiskas PetAg PetAg PetAg PetAg undertheweatherpet Nutri-Vet PetAg Revival Animal Health
Flavor Milk Milk flavorless Milk Unflavored Milk Cat / Kitten Milk Probiotics Milk Milk
Age Range (Description) Kitten Adult Kitten Kitten Kitten Kitten All Life Stages Kitten Kitten Kitten
Item Form Powder Liquid Powder Powder Liquid Powder Powder Powder Powder Powder
Specific Uses For Product Digestive Health Digestive Health Nutrition stomach Weight Raising Orphaned Kittens, Supplementing the Diet of Nursing Kittens, Providing Nutrients for Growing or Adult Cats Immune Support weight weaning Milk Replacement
Item Weight 3.5 pounds 10.12 pounds 14.4 ounces - 1.16 pounds 12 ounces 14.9 ounces 12 ounces 0.704 ounces 14.9 ounces
Item Package Dimensions L x W x H 13.66 x 10.83 x 4.37 inches 16.18 x 6.5 x 4.53 inches 5.47 x 4.09 x 4.06 inches - 6.58 x 2.64 x 2.32 inches 5.59 x 4.13 x 4.06 inches 6.46 x 3.74 x 3.66 inches 6.46 x 3.74 x 3.7 inches 5.59 x 4.13 x 4.06 inches 9.96 x 8.58 x 2.4 inches
Brand Name Manna Pro Whiskas PetAg - PetAg PetAg undertheweatherpet Nutri-Vet PetAg Revival Animal Health
Target Audience Keyword dogs, horses, house-cats house-cats cat, house-cats - house-cats house-cats house-cats house-cats house-cats house-cats
Size 3.5 Pound (Pack of 1) 0.84 Ounce (Pack of 24) 12 Ounce (Pack of 1) - 16 Fl Oz (Pack of 1) 12 Ounce (Pack of 1) 12 Ounce (Pack of 1) 12 Ounce (Pack of 1) 10.5 Ounce (Pack of 1) 1 Pound (Pack of 1)
Age Range Description Kitten Adult Kitten - Kitten Kitten All Life Stages Kitten Kitten Kitten
FTB Score
ftb score rating icon 9.8
ftb score rating icon 9.7
ftb score rating icon 9.5
ftb score rating icon 9.5
ftb score rating icon 9.5
ftb score rating icon 9.4
ftb score rating icon 9.4
ftb score rating icon 9.4
ftb score rating icon 9.3
ftb score rating icon 9.3
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