Best Kitten Milk Replacers & Formulas 2026: According to Reviews | Chewy

Best Kitten Milk Replacers & Formulas

Very young kittens have specific nutritional needs, especially if they can't nurse from their mother. Milk replacers are formulated to closely match feline milk composition and support early development. When choosing kitten milk replacers and formula, ease of preparation and how well kittens tolerate them often matter most. When caring for newborn kittens, it's important to work closely with a veterinarian.

Our Top Picks

How we created this kitten milk replacers & list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best kitten milk replacers & formula.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best kitten milk replacers & formulas.

Key kitten milk replacers & considerations

Digestibility

Ease of Preparation

Nutritional Content

Palatability

1
PetAg KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg KMR Kitten Milk Replacer Powder for Kittens, 12-oz can

PetAg KMR Kitten Milk Replacer Powder for Kittens, 12-oz can

Rated 4.7 out of 5 stars
1,132
$31.78 Chewy Price
($2.65/oz)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Digestibility

4.3/5
Great

Ease of Preparation

4.6/5
Excellent

Nutritional Content

4.5/5
Great

Palatability

4.5/5
Great

Is this kitten milk replacers & right for my pet?

Lifestage

Kitten

Top Ingredients

Casein, Vegetable Oil (With Tocopherols And Ascorbyl Palmitate (Preservatives), Rosemary Extract), Dried Skimmed Milk, Dried Whey Protein Concentrate

Food Flavor

Unflavored

Packaging Type

Can
2
Whiskas Cat Milk Liquid Milk Supplement for Cats, 6.75-fl oz carton, 3-pack
Whiskas Cat Milk Liquid Milk Supplement for Cats, 6.75-fl oz carton, 3-pack
Whiskas Cat Milk Liquid Milk Supplement for Cats, 6.75-fl oz carton, 3-pack
Whiskas Cat Milk Liquid Milk Supplement for Cats, 6.75-fl oz carton, 3-pack
Whiskas Cat Milk Liquid Milk Supplement for Cats, 6.75-fl oz carton, 3-pack

Whiskas Cat Milk Liquid Milk Supplement for Cats, 6.75-fl oz carton, 3-pack

Rated 4.3 out of 5 stars
1,041
$5.98 Chewy Price
($0.30/fl oz)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Digestibility

4.2/5
Great

Ease of Preparation

4.2/5
Great

Nutritional Content

4.2/5
Great

Palatability

4.0/5
Great

Is this kitten milk replacers & right for my pet?

Lifestage

Kitten

Top Ingredients

Milk, Water, Nonfat Milk, Malt Extract, Trisodium Phosphate

Health Feature

Milk Replacer, Sensitive Digestion
3
Four Paws Pet Nurser Bottles, 2-oz, 2 count
Four Paws Pet Nurser Bottles, 2-oz, 2 count
Four Paws Pet Nurser Bottles, 2-oz, 2 count
Four Paws Pet Nurser Bottles, 2-oz, 2 count
Four Paws Pet Nurser Bottles, 2-oz, 2 count
Four Paws Pet Nurser Bottles, 2-oz, 2 count
Four Paws Pet Nurser Bottles, 2-oz, 2 count
Four Paws Pet Nurser Bottles, 2-oz, 2 count
Four Paws Pet Nurser Bottles, 2-oz, 2 count

Four Paws Pet Nurser Bottles, 2-oz, 2 count

Rated 4.3 out of 5 stars
315
$6.49 Chewy Price
($1.63/oz)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Digestibility

3.8/5
Good

Ease of Preparation

4.2/5
Great

Nutritional Content

4.4/5
Great

Palatability

4.1/5
Great

Is this kitten milk replacers & right for my pet?

Breed Size

Extra Small Breeds, Small Breeds

Lifestage

Nursing

Health Feature

First Aid
4
PetAg KMR Healthy Development Kitten Food, 14-oz can
PetAg KMR Healthy Development Kitten Food, 14-oz can
PetAg KMR Healthy Development Kitten Food, 14-oz can
PetAg KMR Healthy Development Kitten Food, 14-oz can
PetAg KMR Healthy Development Kitten Food, 14-oz can
PetAg KMR Healthy Development Kitten Food, 14-oz can
PetAg KMR Healthy Development Kitten Food, 14-oz can

PetAg KMR Healthy Development Kitten Food, 14-oz can

Rated 4.6 out of 5 stars
355
$19.54 Chewy Price
($1.40/oz)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Digestibility

4.4/5
Great

Ease of Preparation

4.4/5
Great

Nutritional Content

4.4/5
Great

Palatability

4.4/5
Great

Is this kitten milk replacers & right for my pet?

Lifestage

Kitten

Top Ingredients

Beef Broth, Rice Flour, Dried Skimmed Milk, Dried Whole Milk, Maltodextrin

Food Flavor

Unflavored

Packaging Type

Can
5
PetAg PetLac Kitten Milk Replacement Powder for Kittens, 10.5-oz can
PetAg PetLac Kitten Milk Replacement Powder for Kittens, 10.5-oz can
PetAg PetLac Kitten Milk Replacement Powder for Kittens, 10.5-oz can
PetAg PetLac Kitten Milk Replacement Powder for Kittens, 10.5-oz can
PetAg PetLac Kitten Milk Replacement Powder for Kittens, 10.5-oz can
PetAg PetLac Kitten Milk Replacement Powder for Kittens, 10.5-oz can
PetAg PetLac Kitten Milk Replacement Powder for Kittens, 10.5-oz can

PetAg PetLac Kitten Milk Replacement Powder for Kittens, 10.5-oz can

Rated 4.7 out of 5 stars
316
$17.84 Chewy Price
($1.70/oz)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Digestibility

4.2/5
Great

Ease of Preparation

4.3/5
Great

Nutritional Content

4.3/5
Great

Palatability

4.4/5
Great

Is this kitten milk replacers & right for my pet?

Lifestage

Kitten

Top Ingredients

Dried Skimmed Milk, Soy Protein Isolate, Vegetable Oil (Preserved With Tocopherols), Casein, Animal Fat (Preserved With Bha And Bht)

Food Flavor

Unflavored

Packaging Type

Can
6
PetAg Goat's Milk KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg Goat's Milk KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg Goat's Milk KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg Goat's Milk KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg Goat's Milk KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg Goat's Milk KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg Goat's Milk KMR Kitten Milk Replacer Powder for Kittens, 12-oz can
PetAg Goat's Milk KMR Kitten Milk Replacer Powder for Kittens, 12-oz can

PetAg Goat's Milk KMR Kitten Milk Replacer Powder for Kittens, 12-oz can

Rated 4.7 out of 5 stars
88
$29.24 Chewy Price
($2.44/oz)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Digestibility

4.4/5
Great

Ease of Preparation

4.4/5
Great

Nutritional Content

4.2/5
Great

Palatability

4.5/5
Great

Is this kitten milk replacers & right for my pet?

Lifestage

Kitten

Top Ingredients

Dried whole goat milk powder, casein, vegetable oil (tocopherols and ascorbyl palmitate (preservatives), rosemary extract), dried whey protein concentrate

Special Diet

High-Protein

Packaging Type

Can
7
PetAg KMR Kitten Milk Replacer Liquid, 16-fl oz
PetAg KMR Kitten Milk Replacer Liquid, 16-fl oz
PetAg KMR Kitten Milk Replacer Liquid, 16-fl oz
PetAg KMR Kitten Milk Replacer Liquid, 16-fl oz
PetAg KMR Kitten Milk Replacer Liquid, 16-fl oz
PetAg KMR Kitten Milk Replacer Liquid, 16-fl oz

PetAg KMR Kitten Milk Replacer Liquid, 16-fl oz

Rated 4.3 out of 5 stars
112
$14.02 Chewy Price
($0.88/fl oz)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Digestibility

4.3/5
Great

Ease of Preparation

4.6/5
Excellent

Nutritional Content

4.4/5
Great

Palatability

4.4/5
Great

Is this kitten milk replacers & right for my pet?

Lifestage

Kitten

Top Ingredients

Water, dried whole milk, casein, soybean oil (preserved with mixed tocopherols and ascorbyl palmitate), dicalcium phosphate

Packaging Type

Bottle
8
PetAg Cat-Sip Liquid Real Milk Hydration Supplement for Cats, 8-oz can, 4 count
PetAg Cat-Sip Liquid Real Milk Hydration Supplement for Cats, 8-oz can, 4 count
PetAg Cat-Sip Liquid Real Milk Hydration Supplement for Cats, 8-oz can, 4 count
PetAg Cat-Sip Liquid Real Milk Hydration Supplement for Cats, 8-oz can, 4 count
PetAg Cat-Sip Liquid Real Milk Hydration Supplement for Cats, 8-oz can, 4 count
PetAg Cat-Sip Liquid Real Milk Hydration Supplement for Cats, 8-oz can, 4 count
PetAg Cat-Sip Liquid Real Milk Hydration Supplement for Cats, 8-oz can, 4 count

PetAg Cat-Sip Liquid Real Milk Hydration Supplement for Cats, 8-oz can, 4 count

Rated 4.2 out of 5 stars
114
$11.28 Chewy Price
($0.36/oz)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Digestibility

4.4/5
Great

Ease of Preparation

4.5/5
Great

Nutritional Content

4.5/5
Great

Palatability

4.1/5
Great

Is this kitten milk replacers & right for my pet?

Lifestage

All Lifestages

Top Ingredients

Other Ingredients: Lowfat Milk, Liquid Kluyveromyces Marxianis Var. Lactis Fermentation Product, Taurine

Special Diet

Low Fat

Packaging Type

Can
9
PetAg Goat's Milk KMR Kitten Milk Replacer Liquid for Kittens, 16-fl oz
PetAg Goat's Milk KMR Kitten Milk Replacer Liquid for Kittens, 16-fl oz
PetAg Goat's Milk KMR Kitten Milk Replacer Liquid for Kittens, 16-fl oz
PetAg Goat's Milk KMR Kitten Milk Replacer Liquid for Kittens, 16-fl oz
PetAg Goat's Milk KMR Kitten Milk Replacer Liquid for Kittens, 16-fl oz
PetAg Goat's Milk KMR Kitten Milk Replacer Liquid for Kittens, 16-fl oz

PetAg Goat's Milk KMR Kitten Milk Replacer Liquid for Kittens, 16-fl oz

Rated 4.6 out of 5 stars
30
$16.14 Chewy Price
($1.01/oz)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Digestibility

4.6/5
Excellent

Ease of Preparation

4.7/5
Excellent

Nutritional Content

4.6/5
Excellent

Palatability

4.8/5
Excellent

Is this kitten milk replacers & right for my pet?

Lifestage

Kitten

Top Ingredients

Water, whole goat milk powder, casein, soybean oil (preserved with mixed tocopherols and ascorbyl palmitate), dicalcium phosphate

Packaging Type

Bottle
10
HOLI Single-Ingredient Topper Digestive Health Goat Milk Flavored Powder Milk Supplement for Dogs & Cats, 7.5-oz can, 7.5-oz can
HOLI Single-Ingredient Topper Digestive Health Goat Milk Flavored Powder Milk Supplement for Dogs & Cats, 7.5-oz can, 7.5-oz can
HOLI Single-Ingredient Topper Digestive Health Goat Milk Flavored Powder Milk Supplement for Dogs & Cats, 7.5-oz can, 7.5-oz can
HOLI Single-Ingredient Topper Digestive Health Goat Milk Flavored Powder Milk Supplement for Dogs & Cats, 7.5-oz can, 7.5-oz can
HOLI Single-Ingredient Topper Digestive Health Goat Milk Flavored Powder Milk Supplement for Dogs & Cats, 7.5-oz can, 7.5-oz can
HOLI Single-Ingredient Topper Digestive Health Goat Milk Flavored Powder Milk Supplement for Dogs & Cats, 7.5-oz can, 7.5-oz can
HOLI Single-Ingredient Topper Digestive Health Goat Milk Flavored Powder Milk Supplement for Dogs & Cats, 7.5-oz can, 7.5-oz can

HOLI Single-Ingredient Topper Digestive Health Goat Milk Flavored Powder Milk Supplement for Dogs & Cats, 7.5-oz can, 7.5-oz can

Rated 4.6 out of 5 stars
9
$24.99 Chewy Price
($3.34/oz)
Promo, New Customers Only: Spend $49+, get $20 off

Our ratings

Digestibility

4.8/5
Excellent

Ease of Preparation

4.7/5
Excellent

Nutritional Content

4.7/5
Excellent

Palatability

4.6/5
Excellent

Is this kitten milk replacers & right for my pet?

Breed Size

All Breeds

Lifestage

All Lifestages

Top Ingredient

Whole goat milk

Special Diet

Gluten Free, No Corn No Wheat No Soy, Grain-Free

Frequently Asked Questions about Kitten Milk Replacers & Formulas

What is the difference between powder and ready-to-feed liquid kitten milk replacers?

Powder formulas let you prepare portions as needed, but they require careful measuring and thorough mixing for smooth, consistent feedings. Ready-to-feed liquids remove the mixing step, which can make middle-of-the-night feedings or handoffs between caregivers simpler. Either format can work well if you follow the label directions and choose one your kitten tolerates.

How do kitten milk replacers compare to weaning foods, and when would you use each?

Milk replacers are liquid nutrition designed to closely match a mother cat's milk and are used for very young kittens that are not nursing. Weaning foods are transitional solids meant for kittens that are starting to lap and learn to eat, and they can be used alongside milk replacer during the shift to solid food. If you are unsure which stage your kitten is ready for, work with your veterinarian and transition gradually based on appetite and tolerance.