Cat Supplies

The Best Cat Milk Replacers

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Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

When kittens are orphaned or weaned too early, a milk replacer is essential for their survival and healthy development. Providing the correct nutrition mimics mother's milk, ensuring they receive vital antibodies and nutrients. Choosing a high-quality formula supports strong growth, a healthy immune system, and proper digestion during this critical life stage.

No. 1
PetAg KMR Kitten Milk Replacer Powder - 6 oz - Powdered Kitten Formula with Prebiotics, Probiotics & Vitamins...
  • KITTEN MILK REPLACEMENT - When mom can’t nourish them, KMR can. Scientifically the next best to mother’s milk, KMR provides all the nutritional elements necessary for kittens; newborn to six weeks old.
  • COMPLETE, BALANCED NUTRITION - Our formula is closest to mother's milk in protein, fat and carbohydrates. We’ve also added vitamins, minerals and trace nutrients; plus prebiotics and probiotics for healthy immunity and digestion.
  • EASY TO DIGEST - KMR is highly palatable and formulated with a special fiber blend for easy digestion and Improved gut health.
  • EASY-TO-MIX FORMULA - Whisk or Shake 1 part powdered KMR into 2 parts warm water. Do not mix more KMR than can be consumed in 24 hours. Do not use a blender.
No. 2
PetAg KMR Kitten Milk Replacer Powder - 12 oz - Powdered Kitten Formula with Prebiotics, Probiotics & Vitamins...
  • KITTEN MILK REPLACEMENT - When mom can’t nourish them, KMR can. Scientifically the next best to mother’s milk, KMR provides all the nutritional elements necessary for kittens, newborn to six weeks old.
  • COMPLETE, BALANCED NUTRITION - Our formula is closest to mother's milk in protein, fat, and carbohydrates. We’ve also added vitamins, minerals, and trace nutrients; plus prebiotics and probiotics for healthy immunity and digestion.
  • EASY TO DIGEST - KMR is highly palatable and formulated with a special fiber blend for easy digestion and improved gut health.
  • EASY-TO-MIX FORMULA - Whisk or shake 1 part powdered KMR into 2 parts warm water. Do not mix more KMR than can be consumed in 24 hours. Do not use a blender.
No. 3
PetAg KMR Kitten Milk Replacer Liquid - 16 oz - Ready-to-Feed Formula with Vitamins for Newborn Kittens to...
  • KITTEN MILK REPLACEMENT - When mom can’t nourish them, KMR can. Scientifically the next best to mother’s milk, KMR provides all the nutritional elements necessary for newborn kittens to 1 year old.
  • COMPLETE, BALANCED NUTRITION - Our formula is closest to mother's milk in protein, fat, and carbohydrates. We’ve also added vitamins, minerals, and trace nutrients for healthy immunity and digestion.
  • EASY TO DIGEST - KMR is highly palatable and formulated with a special fiber blend for easy digestion and improved gut health.
  • EASY-TO-USE FORMULA - Shake gently before use. Warm KMR to room or body temperature before serving. Portable, Tetra Pak container is resealable. Once opened, container must be refrigerated and discarded after 72 hours.
No. 4
Pet-Ag PetLac Powder for Kittens - 10.5 oz - Kitten Milk Replacement Powder for Kittens Newborn to Six Weeks...
  • KITTEN MILK REPLACEMENT-PetLac kitten milk replacement powder provides complete nutrition for proper growth and development for kittens, newborn to six weeks old
  • COMPLETE, BALANCED NUTRITION-As a food source for orphaned, rejected, nursing, or weaning kittens, this formula provides vitamins, minerals & amino acids. It also supplies extra nutrition for thin or older cats
  • EASY TO DIGEST-PetLac is highly palatable and contains prebiotics and probiotics for easy digestion and improved gut health
  • DIRECTIONS-Mix one tablespoon powder with two tablespoons warm water to make approximately 2-1/3 tablespoons (7 teaspoons/35mL) of liquid. Opened powder can be refrigerated for up to 3 months, or can be frozen for up to 6 months
No. 5
Pet-Ag KMR Kitten Milk Replacer Powder - 12 oz - Powdered Kitten Formula with Prebiotics, Probiotics...
  • KITTEN MILK REPLACEMENT - When mom can’t nourish them, KMR can. Scientifically the next best to mother’s milk, KMR provides all the nutritional elements necessary for kittens; newborn to six weeks old.
  • COMPLETE, BALANCED NUTRITION - Our formula is closest to mother's milk in protein, fat and carbohydrates. We’ve also added vitamins, minerals and trace nutrients; plus prebiotics and probiotics for healthy immunity and digestion.
  • EASY TO DIGEST - KMR is highly palatable and formulated with a special fiber blend for easy digestion and Improved gut health.
  • EASY-TO-MIX FORMULA - Whisk or Shake 1 part powdered KMR into 2 parts warm water. Do not mix more KMR than can be consumed in 24 hours. Do not use a blender.
No. 6
PetAg KMR Kitten Milk Replacer Liquid - 16 oz, Pack of 3 - Ready-to-Feed Formula with Vitamins for Newborn...
  • KITTEN MILK REPLACEMENT - When mom can’t nourish them, KMR can. Scientifically the next best to mother’s milk, KMR provides all the nutritional elements necessary for newborn kittens to 1 year old.
  • COMPLETE, BALANCED NUTRITION - Our formula is closest to mother's milk in protein, fat, and carbohydrates. We’ve also added vitamins, minerals, and trace nutrients for healthy immunity and digestion.
  • EASY TO DIGEST - KMR is highly palatable and formulated with a special fiber blend for easy digestion and improved gut health.
  • EASY-TO-USE FORMULA - Shake gently before use. Warm KMR to room or body temperature before serving. Portable, Tetra Pak container is resealable. Once opened, container must be refrigerated and discarded after 72 hours.
SaleNo. 7
PetAg KMR Healthy Development - 14 oz - Great Tasting Nutritional Supplement for Cats and Weaning Kittens
  • NUTRITIONAL SUPPLEMENT - KMR Healthy Development supports healthy growth and development with high-quality protein for cats weaning to 6 years.
  • SUPPORTS COGNITIVE DEVELOPMENT – With DHA (Omega 3 fatty acids) and Vitamin E, our formula supports visual & cognitive development.
  • CONTAINS OMEGA 6 FATTY ACIDS - Our powder contains Omega 6 fatty acids to support a healthy skin and coat.
  • GREAT TASTE - KMR Healthy Development is formulated with a great taste cats love. Supports transition to solid foods for weaning kittens.
No. 8
PetAg KMR Goat’s Milk Kitten Milk Replacer Liquid - 16 oz - Resealable - Ready-to-Feed Kitten Formula with...
  • KITTEN MILK REPLACEMENT - When mom can’t nourish them, KMR Goat’s Milk can. Scientifically the next best to mother’s milk, KMR Goat’s Milk provides all the nutritional elements necessary for newborn kittens to 1 year old.
  • COMPLETE, BALANCED NUTRITION - Our formula is closest to mother's milk in protein, fat, and carbohydrates. We’ve also added vitamins, minerals, and trace nutrients.
  • EASY TO DIGEST - KMR Goat’s Milk is highly palatable and formulated with whole goat’s milk and a special fiber blend for easy digestion and improved gut health. This formula is complete and balanced closest to mother’s milk in protein, fat, and...
  • EASY-TO-MIX FORMULA - Shake gently before use. Warm KMR to room or body temperature before serving. Portable, Tetra Pak container is resealable. Once opened, container must be refrigerated and discarded after 72 hours.
No. 9
Whiskas Catmilk Plus Drink for Cats and Kittens, 6.75 oz, 8 count
  • Easy-to-digest, protein-rich milk for cats with 98% reduced lactose
  • Enriched with essential nutrients, such as calcium and crude protein that cats need
  • Whiskas Catmilk Drinks are naturally high in calcium to promote healthy teeth and bones
  • With a real milk flavor cats love, it's specially formulated for even the most sensitive stomachs
No. 10
PetAg KMR Kitten Milk Replacer Liquid - 11 oz, Pack of 4 - Ready-to-Feed Kitten Formula with Prebiotics...
  • KITTEN MILK REPLACEMENT - When mom can’t nourish them, KMR can. Scientifically the next best to mother’s milk, KMR provides all the nutritional elements necessary for kittens, newborn to six weeks old.
  • COMPLETE, BALANCED NUTRITION - Our formula is closest to mother's milk in protein, fat, and carbohydrates. We’ve also added vitamins, minerals, and trace nutrients; plus prebiotics and probiotics for healthy immunity and digestion.
  • EASY TO DIGEST - KMR is highly palatable and formulated with a special fiber blend for easy digestion and improved gut health.
  • EASY-TO-USE FORMULA - Shake gently before use. Warm KMR to room or body temperature before serving. Opened container must be refrigerated and discarded after 72 hours.

Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Cat Milk Replacers

Key Factors When Choosing a Cat Milk Replacer

When selecting a milk replacer for kittens, consider these crucial elements to ensure optimal health and development:
  • Nutritional Profile: Look for formulas that closely mimic the protein, fat, and carbohydrate content of natural cat's milk. High-quality ingredients like dairy proteins (whey, casein) are important. Ensure the replacer is fortified with essential vitamins, minerals, and amino acids like taurine, which is critical for feline heart health and vision.
  • Digestibility and Ingredients: Kittens have sensitive digestive systems. Opt for formulas that are easily digestible and free from common allergens or artificial additives. Ingredients like prebiotics and probiotics can further support gut health, aiding in nutrient absorption and reducing the risk of digestive upset.
  • Ease of Preparation and Feeding: Consider how easy the powder is to mix and whether it dissolves smoothly without clumping. Some products come with feeding bottles and nipples, which can be convenient for new owners. Check for clear mixing instructions to ensure the correct nutrient concentration.

Frequently Asked Questions

How often should I feed a kitten milk replacer?
The feeding frequency depends on the kitten's age, with younger kittens requiring more frequent meals. Typically, newborns need to be fed every 2-3 hours, gradually decreasing to every 4-6 hours as they approach weaning age.
How do I prepare the milk replacer?
Always follow the manufacturer's instructions precisely, as the ratio of powder to water is crucial for proper nutrition. Mix thoroughly until smooth and ensure it's warmed to body temperature (around 100u00b0F or 37.8u00b0C) before feeding.
Can I make my own milk replacer for kittens?
It is strongly advised against making homemade milk replacers. Commercially formulated products are balanced to meet a kitten's specific nutritional needs, and homemade concoctions can easily be deficient or unbalanced, leading to serious health issues.
How long should I feed a kitten milk replacer?
Kittens typically need milk replacer until they are ready to transition to solid food, usually around 4-6 weeks of age. At this point, they can begin lapping up gruel made from kitten food and water, gradually moving to dry kibble.

How we compare Cat Supplies

1 Specifications: we compare the key features and specifications listed by the manufacturer and on Amazon.
2 Customer ratings: we take into account the average Amazon rating and the number of reviews.
3 Price: we check the current price and highlight notable deals.
4 Updates: comparisons are refreshed regularly as prices and availability change.

Our comparisons are reviewed and updated regularly to reflect the latest products and prices.

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