Vet Classics CAS Options: Extra Strength Immune Support for Dogs, Cats, and Horses

Jessie: My dog (understandably) started being a super-picky eater after starting chemotherapy. He refuses just about everything except his joint pill and this supplement. Thanks for making it easy to administer, even for dogs that don't feel 100%.

United States on Feb 21, 2023

Bridget McGeady: Kaylee (30 lb. mixed breed) had a cancerous tumor removed from her jaw when she was 15 and the vets predicted the cancer would return. They put her life-expectancy at under 2 years. Not wanting to put her through chemo in her last year(s), I took the advice of a holistic vet and started giving her CAS Options. Four years later, she's still going strong. Her eyesight isn't great, and her hind legs are beginning to weaken, but the cancer hasn't returned, her appetite is great, cognitively she's "all there." She still greets me at the door, still begs for treats, and she has kept me sane through these last two pandemic years.

United States on May 08, 2022

Kelli: Bought this to help shrink my dogs fatty lumps. It is helping with these but, the best thing about this is it has stopped my dog from shedding. I mean 14 years of constant shedding and then just stopped after 3 weeks of taking CAS. This to me is enough reason to keep Willyboy on CAS. I also have noticed my little guy has more energy and generally seems more happy.
I am one very happy customer.
Thank you,
Willyboy's mom

Update: Second bottle delivered was of a different consistency. My two little dogs who would beg for these when they saw me holding the bottle, now won't touch them.
I called customer service and they told me the ingredients are sourced from different places. She sent me a new bottle with a different lot # at no charge. I was hopfull only to have the same problems. I have to hide them in their food now. Oh, and the shedding is back big time from my Willyboy.
Wish I had kept the lot# of the first magical bottle I received so I could request that lot only. (The one that actually works and that the dogs enjoyed and begged for)

United States on Oct 29, 2021

Ruby Couch: This is the absolute answer to my poodle's fatty tumors. Vet said nothing needed to be done unless they attached deeper. He had at least four maybe more and two of them quiet large especially the one on his chest. I ran across this as I was googling things and decided to give it a try even though the item seemed quiet expensive. I started giving 1/2 of a pill in the morning and the other half in the evening. After 3 to 4 weeks I could tell the tumors were getting smaller. I started him on him Sept 1st 2020 and now October 18, you can barely feel them. He use to choke after drinking water at times but no more. He has also loss weight due to loosing the fatty tumors.

For those who said they were stinky and made their pet sick. I do understand as this are made from mushrooms and it they smell stinky or sour, they are bad. My has an expiration date on the lid which say best by 12-2022. So I have a couple of years. I'm not sure how long I need to give the halves to him after the tumors are totally gone. I highly recommend these.

United States on Oct 18, 2020

Amazon CustomerAmazon Customer: I don’t ordinarily write reviews, but I had to write one for CAS Options. This supplement literally saved my dog’s life.
In 2013, our family was exposed to illegal, industrial grade pesticides. The humans struggled w severe illness for at least two years, and our 11 year old dog (a 13lb terrier) was at death’s door. His lungs were filled w fluid and inflammation, he was exhausted and could hardly walk, he could not hold his urine, and his kidneys were breaking down. Our vet tried every prescription he could think of, but honestly, there was very little progress and euthanasia was brought up by the vet staff. Desperate, I brought my dog to a vet who specialized in vitamin and diet supplementation. She recommended CAS Options as a foundational, daily support. This supplement not only brought my pup back to FULL AND COMPLETE health, but I believe it kept him from developing cancer (which the vets said would almost definitely happen due to the pesticides). My dog was happy and healthy for 6 more years!!
My dog passed a few months ago, at age 17. He struggled for about a week while we tried to fight off a c-difficle intestinal bug. Then one night, he had a seizure. I picked...

United States on Feb 14, 2020