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🐾 Elevate your cat’s health game — immunity that keeps up with their nine lives!
Dr. Bill’s Feline Immune Support is a premium 60g powder supplement designed to enhance your cat’s immune system at every stage of life. Featuring a potent blend of clinically studied ingredients like Beta Glucan, Turkey Tail mushrooms, Colostrum, Vitamin C, and Zinc, it supports cellular health, reduces oxidative stress, and promotes faster recovery. Developed by a leading veterinarian and made in the USA, this formula delivers trusted, science-backed immune defense for cats who deserve the best.




















| ASIN | B075HCGDXL |
| Active Ingredients | Colostrum, Echinacea, Beta 1,3/1,6 Glucan, Turkey Tail Mushrooms, Nrf2 Antioxidant Activators, Vitamin C & Zinc Active Ingredients Colostrum, Echinacea, Beta 1,3/1,6 Glucan, Turkey Tail Mushrooms, Nrf2 Antioxidant Activators, Vitamin C & Zinc See more |
| Best Sellers Rank | #24,518 in Pet Supplies ( See Top 100 in Pet Supplies ) #8 in Cat Antioxidant Supplements |
| Brand | Dr. Bill's |
| Brand Name | Dr. Bill's |
| Customer Reviews | 4.2 out of 5 stars 499 Reviews |
| Flavor | Bacon |
| Included Components | Scoop |
| Item Form | Powder |
| Item Weight | 60 Grams |
| Manufacturer | Dr. Bill's |
| Manufacturer Part Number | DB-FIS-60- UPC |
| Pet Type | Cat |
| Product Benefits | Immune Health | Immune Response | Cellular Protection | A Strong, Healthy Life |
| Specific Uses For Product | Health Defense, Improving Cellular Health, Nrf2 Antioxidant Activation, Reducing Oxidative Stress, The Innate Immune System |
| Target Species | Cat |
| UPC | 859765007027 |
| Unit Count | 60.00 Grams |
A**R
Great!
Works literally wonders!! Helped my cat with Virus.
B**E
My cat loves it
My cat is FVI positive can I recently got this to help boost his immune system he is suffering from a secondary infection and he has been on antibiotics for a while so he does love the taste of this I sprinkled it over hard cat food and he ate it just fine and he ate it while I mixed into his food the other thing I got along with is was the 15 and one multivitamin which has a bunch of necessary B12 and other multivitamins the only thing I do not like is the packaging in the scoop is extremely tiny so you have to dig around to find it inside of the pack which can make a mess
K**N
Great product
Over the years this item has saved the lives of several of my cats. I highly recommend it for your companion animals.
B**N
No issues here other than...
The only "con" is the teeny-tiny scoop. I just converted it to 1/2 tsp and that works just fine. Cat will eat it and I've not had any trouble with vomiting.
C**Y
Cat threw up
Immediately made my cat throw up. There was a small amount of residual powder still in her dish and when she ate again, she immediately threw up again. I’ve used multiple supplements and powders with her and she has never thrown up from them.
J**Y
Helping my cat.
My cat loves the flavour and it's really helped him. He's stopped over grooming, his hair is growing back and he's much happier and more content. Clearly doing some good.
B**I
Our cat did not like the taste
I don’t want to affect the review by giving 1 star thats why I gave 3 stars.We have 2 cats.Both of them didn’t like the taste.And they throw out after eating it. I throw out the package to the trash.
M**S
Alternative
I always used Imuquin but sometimes it was hard to get do I wanted to try another brand. So far this is working as well. Benefits are you can use a little less and it is already all in powder form. The other came in little packets. All in all I'd say this is a great alternative.
Trustpilot
2 weeks ago
3 days ago