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🍼 Nourish like a pro—because every kitten deserves the best start!
Hartz Powdered Kitten Milk Replacer is a premium, scientifically formulated milk substitute designed to replicate a mother cat’s milk. It delivers a precise balance of essential vitamins, minerals, and nutrients—including calcium, taurine, lysine, and linoleic acid—to support healthy growth, development, and immune function in kittens during their critical first 6 weeks. Easy to mix and perfect for on-demand feeding, it also serves as a nutritional supplement for pregnant, nursing, or convalescing cats. Highly rated and trusted by pet caregivers, this 11-ounce powder is a must-have for anyone committed to giving kittens the best start in life.









| ASIN | B073RRB92R |
| Allergen Information | Milk |
| Best Sellers Rank | #1,107 in Pet Supplies ( See Top 100 in Pet Supplies ) #1 in Cat Milk Replacers |
| Brand | Hartz |
| Brand Name | Hartz |
| Customer Reviews | 4.6 out of 5 stars 5,790 Reviews |
| Dog Breed Size | Small |
| Flavor | Milk |
| Global Trade Identification Number | 00032700156329 |
| Included Components | Powdered Milk Replacer for Kittens |
| Item Form | Powder |
| Item Type Name | Kitten Milk Replacer |
| Item Weight | 11 Ounces |
| Manufacturer | Hartz |
| Manufacturer Part Number | 3270015632 |
| Model Number | 3270015632 |
| Number of Items | 1 |
| Product Benefits | Digestive Health, Heart Health, Immune Support, Skin Care |
| Specific Uses For Product | Stomach |
| Target Species | Cat |
| UPC | 032700156329 |
| Unit Count | 11 Ounce |
| Warranty Description | Please Contact Hartz with any questions |
M**M
Fast delivery of good milk replacement definitely saved 4 orphan kittens!
I bought a lot of these after finding 4 kittens next to my back door. The mom never came back, so I took on the task of feeding them from what I estimate was 4-6 days old, but I could have been over optimistic in hind sight (maybe only a couple days old). The biggest thing is, will they drink it? Had no problem with that, they adapted pretty quickly and seemed to be fine with the taste making it a very effective substitute. The overall quality seemed to be fine, mixed well after I found the right way of doing it. I highly recommend buying a push rotary whisk, this makes everything mix well without any clumps. This seems to be one of the larger size packages, which is helpful since you'll go through a ton of this stuff with a litter of small critters. The cost is one of the main benefits of this product; it seemed to be the best value by volume. The kittens I took in did get a bit plugged up from the formula, so I added a few drops of olive oil to each batch which helped with the problem. Keep an eye out to be sure they are responding in a healthy way. Otherwise, this product was a lifesaver for the 4 kittens and the overnight delivery is probably the only reason they survived (all 4 have found new homes). Highly recommended!
E**N
Tricky to dissolve but good formula
I've been having trouble with the formula as it tends to clump and doesn't dissolve easily unless the water is at a precise temperature. It's been a bit of a challenge (tricky) to prepare. However, the kitten loves it and is developing perfectly. Value for the money
B**J
Helped a baby kitten that lost her mama
It worked wonders and delivery was fast. It was something needed quickly and the price was fantastic. Huge size for the price and the kitten lapped it up, so it had to be yummy lol. Its easy to mix as well.
J**T
Next best thing to Mama’s milk.
We found some abandoned kittens that needed bottle fed. This milk replacer must be tasty because they devoured it quickly without us spending too much money. It was easy to mix without any clumping.
D**S
Not as good as kmr, but does the trick.
This is a great alternative to the kmr and the pet light, cuz it's far less money and it does the same job basically. Some people really can't afford to be picky when they are doing cat rescues, so I highly recommend this one because the formula is feeling, it's the same consistency as the others, it mixes well with water, and the cats are full and satisfied. It's got the same vitamins and minerals as the other ones do.
B**M
Rabbits love it so far
So far so good, we need nutrition for 8 of our baby rabbits one of our moms had. The babies love it! Hopefully the nutrition will keep them healthy while they transition to rabbit pellets only.
A**J
Helpful Backup for Supplemental Kitten Feeding
Good to have on hand for supplemental feeding when kittens need extra support. Mixes up easily and is convenient as a backup for fostering situations, young kittens, or times when extra nutrition support may be needed. I like having powdered formula because it stores well and can be kept ready for when it’s needed. Useful to keep in an emergency pet care kit, especially if caring for very young kittens. A practical staple for anyone involved with kitten care or fostering.
B**D
Good Kitten Milk Replacer — Easy to Use and Gentle on Tummies
I recently used the Hartz powdered kitten milk replacer formula for a young kitten we rescued, and overall I am pleased with the results. The powder mixes easily with water and dissolves smoothly without lumps, making feeding quick and hassle‑free. The scent and taste seem mild, and the kitten accepted it readily — which, for a picky little one, was a big relief. After a week of feeding, the kitten seems more energetic and comfortable, with no signs of digestive upset. The formula feels gentle and appropriate for their needs. The 11 ounce size is convenient for small litters or occasional use. While it will not replace long‑term proper kitten food, this milk replacer is a reliable solution for newborn or young kittens needing supplemental feeding.
I**S
Poquito cara
Muy buena leche, el único detalle es el precio porque está más cara que la de Royal Canin, pero RC sigue siendo de una calidad un poco mejor.
C**Y
Kitten can’t resist
My kitten loves milk and that’s the reason I got this because you can’t give regular milk to cats. And so he simply loves this and drinks this so fast. Looking at the ingredients, it contains a lotta minerals and vitamins. Quality is good. Quantity is also perfect. I know it’s pricey but it’s worth it and ofcourse I bought this a second time and I still give it to my 5 months kitten.
S**.
Good KMR
I ordered this because one of my newborn kitten wasn't feeding much of mother's milk and started to lose weight. This is a life saver. Also, I received it early and my kittens really like it.
P**.
Great product
Great product.
R**A
Hart's milk powder is good for my cats
To feedmy cats, it's value for money.
Trustpilot
1 month ago
3 weeks ago