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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 | #1,595 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 5,643 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 |
| Product Benefits | Digestive Health, Heart Health, Immune Support, Skin Care |
| Target Species | Cat |
| UPC | 032700156329 |
| Unit Count | 312 Grams |
| 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!
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.
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.
J**M
Good for supplemental support! Great for mixing w/kitten wet food!
At first had a hard time getting my kitten to drink it any other way than licking from my hand. She is the runt of the litter & when we got her she was barely 4 weeks old. She kept biting through every bottle we tried. Finally we found a decent bottle however now she mainly drinks it mixed in with her wet blue buffalo baby kitten food. She loves it and slops it all up ! She is finally gaining weight and now at almost 6 weeks she is doing great! I will continue to mix into her food since she was the runt and I was told she didn’t get as much milk from her momma like her siblings did. So just to give her some added nutrition I will continue giving her this formula for a good while! Also I used the measuring rec on can ; however found it perfect to mix in our vitamix blender makes it smooth and creamy!!! It’s hard to get out clumps if you try and just shake in baby bottle or mix in bowl/cup. If you have a small one serving type blender def use it will come out prefect!
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.
K**A
Orphaned Kitten's Life Saver
We recently discovered a very young kitten (approximately 10 days to 2 weeks old) in the roadway water gutter in front of our house. We tried leaving him in a box, hoping Momma Cat would return for it but she didn't and since every rescue organization we contacted was full, we ended up needing to figure out something to help save him! We found Hartz Powered Milk Replacement and quickly ordered it to feed the kitty (we fed it evaporated milk to hold him over until delivery). It's easy to make especially if you use warm water to help get rid of any clumps plus the kitten seems to like it better warm probably because it's more like what it was used to with mother's nursing. It includes all the nutrients young kittens (up to 6 weeks) need. We didn't have any issue with it causing diarrhea or constipation, but we followed the recommendation to gently rub warm cloth over the genital & bottom area to assist him in going to the bathroom until he was old enough to introduce him to a litter box. It's a great value for the money as each container equals 131 teaspoons of formula and it's easy to adjust the amount you make to match the appetite of your kitten. My kitten, Sinatra, loves the taste and now at almost 7 weeks, I still give him some twice a day to keep his vitamin intake, use the rest of the container and help in weaning him onto solid food by softening dry food or mixing into wet food to thin it down as recommended by vets.
J**E
Great product worked well for our baby bunnies
Worked well for our baby bunnies raised 12 of them
I**.
She seems to like it.
I ordered it because it was cheap and the only vendor that was willing to deliver overnight so for that I am grateful. For the price, it is a big container that is going to last a while. The directions are very easy to follow, but the mix is gritty so you really have to shake or whisk it. It says to use room temp water, but I may use it a tad warm to see if it mixes better. The kitten was very glad to have this. You can mix it with soft food if the kitten is able to tolerate it. When I feed her, I have poured this milk over the small pieces and she seems to love it. She is looking healthier from when I first picked her up. The container says you can feed it to the mother for supplementation.
Trustpilot
3 weeks ago
3 days ago