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92 Reviews
90% (83)
9% (8)
1% (1)
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95% Recommend this product (87 of 92 responses)
By Patty
Northern Virginia
Less Vet Visits with Enisyl-F
October 8, 2022
My order arrived packaged to survive and on time. I use Enisyl-F for my cats as a suppliment ever since their vet suggested I do so and they have benefited by not getting the sniffles like they were before. I add a pump to breakfast for the finiky one and the little one will lick it right off my finger. Will order again!
Merchant Response:Hello Patty, Thank you for your feedback! We love to hear you're seeing improvements.
ProsMy cats have been healthier since I have been using this - The one had the virus and would get bad sniffles 3 - 4 times a year and then give it to the others. None have had the bad sniffles since I started using the Enisyl-F. One of my cats LOVES the taste of it and thinks it is a treat.
ConsOne of my cats does not like the taste so I add it to wet food breakfast.
By Judi
Enisyl- F Oral Paste for cats
February 7, 2022
My vet recommended this to me 14 years ago to help with chronic herpes in my cats eyes. Not sure if it helps have been giving it to her since recommendation.
By Mary
Oak Forest, Il
Great product
October 28, 2020
This is a must in my house, I use this with my older cat and even with the kittens. It helps build up their immune system. This is a great product and also a great price.
By Anthony P.
Helps With my Cat's Herpes Condition
September 9, 2020
This is a wonderful product in keeping my cat herpes in control! When I got her last year as a kitten she had herpes in her eyes. The eye problem is now a chronic condition. Enisyl-F helps keep her from getting recurrences with her Herpes! If I miss a dose she starts having symptoms. This really helps my sweet kitty!
ProsGreat Supplement For Immune System
ConsMy cat not crazy of the taste. They need to develop different flavors. It only has one flavor Tuna. Chicken flavor would be good as an alternative flavor.
By Veronica
martensville, SK
It really works!
August 27, 2020
I used this stuff on my cats for years at the advice of my vet! They were on it regularly as a supplement and was told to increase dosage when I see signs of sniffles etc. It saved me so much money on meds and vet bills! Its worth it! Then my vet told me that the research done saying that Lysine helps pets is "unfounded" and does not recommend it so I stopped. My cats are in terrible health. It's been two years of drug after drug. Test after test. I've had enough. I will go back to enisyl! It's always worked! If it ain't broke, don't fix it!
Merchant Response:Hi Veronica, Glad you found Enisyl-F to work. Sorry it takes a little more $s to ship into Canada. Wish we could ship everyone for the same price. Take care!
ProsCats love it. Cheaper and safer than pharmaceuticals.
ConsA bit pricey. Have to order it online from the states (I am in Canada). After taxes, shipping and exchange, it's costly.
By Nancy
Wake Forest, NC
Helps my cat with runny nose
June 13, 2019
This was recommended by our vet to help with her sneezing and runny nose. We have noticed a great improvement since using.
ProsEasy to use, we just squirt into her canned catfood.
ConsNo cons with product but all lysine products are super expensive.
By Pearl12
Kitchener, ON
Great Product
April 9, 2018
My kitties like they love the taste of this product.
By Jamby
Lysine saves the day
February 12, 2017
This yummy easy to dispense gel has made all the difference in my cat's twinkle, they love it and their eyes are much improved!
By diana
Review for 3 Pack Enisyl-F Oral Paste for Cats - 300 mL
August 10, 2016
My cat has a chronic respiratory disease & requires this product. I am thankful that it is available & keeps him well.
By Z&K
Works Wonders
April 21, 2016
When I got my first hairless sphynx (6 years ago) she showed signs that something was wrong the day after we were on 14 hour drive back home and I wasn't turning around to take her back to the cattery (this was when we were 6 hours from home and coming home with a new sick cat was very depressing when I knew something was majorly wrong and I waited about 2 months to actually go pick the cat up) She was sneezing and coughing along with green gunk coming out of her eyes and nose. I took her to my regular small town vet the next morning after we got home and he thought she had feline herpes along with chlamydia and bordetella. He referenced me to a larger vet because he doesn't have all the high-tech tests, equipment, etc. and got my cat in the very next day. The larger vet thought that she just had an upper respiratory infection so we treated her for that with oral medicine. After repeated visits to the vet for 3 months of nothing working the vet finally suggested we do an expensive test to see what exactly was wrong with her and sure enough the test came back with everything that my small town vet had said he thought she had. She was put on a oral medication and an eye cream that was put together for her based on what came back on the test. She was also put on the Lysine pump to keep her immune system boosted and I have given this to her every single day since then. She has had 3 outbreaks since then and it was caused from pretty drastic changes: Got another hairless sphynx, moved into our new home (about 3 years ago) and we got a dog outside and she somehow must have sensed that someone else was being loved as well. During her outbreaks I gave her 2 pumps a day instead of just one and it helped a lot. She was back to normal in about 2 weeks. I also give the other cat the lysine pump as well because I was told that if one cat in the household has feline herpes the other one probably already contracted it. Overall this product is amazing considering how sick she was and what she is like now. I would recommend this product to anyone with cats who need that extra immune booster. It is also way cheaper on here than it is buying it directly from the vet.
By iluvcats
Great Backup
April 13, 2016
My cats prefer the tasteless Felisyl granules that is mixed in with their food, but I keep a few of these Enisyl-F pump pastes handy to use for bad flare ups like diarrhea. Sometimes they aren't getting enough of the granules because they don't eat all of the wet food. This paste is the "powerhouse" and stops flare ups quickly. Also, I use it if they get hair stuck in their throat and start coughing - a little bit on my finger and into their mouth gets rid of the hair when they swallow. Great product and gets the job done.
By 4purzlady
Oracle, Arizona
L-lysine paste
March 20, 2016
Easy to give to the cats and they love the taste. Much better than the other l-lysine products.
Great price and purchase
March 20, 2016
Very good product at a very good price. I am very pleased and will keep ordering this for my cats.
By Duffy
Works great!
December 31, 2015
Have been using this product for several yrs. Has become part of morning feeding ritual as my cat licks this paste from a small dish. Since starting daily use he has had no herpes virus symptoms.
By Elise
Central New Jersey
Cats love it
November 24, 2015
Bought this for my cat with a runny eye that has the herpes virus. He loves it and it keeps his eye clear or very minimally runny. His brother loves it too, but I just give him a tiny taste as it's not an inexpensive item. Works like a charm and they love it.
By Critter M.
Raleigh, NC
October 13, 2015
I've been using this product for 5 years. This is a great product, my kitty loves the taste and I've seen a marked improvement in his health. He has feline herpes and used to get ulcers around his eyes, the ulcers used to get red and swollen and his eyes weeped, they still weep periodically, but the ulcers have gone away. I'll use this product until it is no longer needed and I hope my boy lives a long life!
By Cyndi
Lexington, SC
Just Ask the Cats!
August 22, 2015
Enisyl-F Oral Paste is my cats' favorite treat! They love the taste. I love how it reduces flare-ups of the herpes virus they contracted before we rescued them. It's great stuff. Just ask the cats!!
By Cat M.
Great product
June 27, 2015
After 2 or 3 visits to the cat eye specialist one of them recommended this product for both cats that we adopted from the SPCA. It's been about 3 years now that they get one dose a day and the eyes of both kitties are no longer weepy and runny.
By Momma
Great Value!
June 11, 2015
I used to buy from my vet but for the cost of one tube from them, I get 3 from EntirelyPets!! I'ts a no brainer!
By Fouronthefloor
Laguna Niguel, CA
Great product
March 17, 2015
I give both my kits Enisyl twice daily to keep their herpes under control (they get a cold like virus without it) and it keeps it in check, which is wonderful! easy to administer and so much less expensive than the vet, highly recommend!
By Joanne
Florida and WI
It quiets the sneezing episodes
February 22, 2015
My 15? year-old male gets really bad sneezing episodes. He is a large kitty, so I give him more than the prescribed dose, at least twice the daily dose. It makes quite a difference in his sneezing attacks. I have used it for about 2 years, almost daily.
By purrs
Merritt Island, Fl
Easy to Give supplement
February 12, 2015
This product is a very easy to give supplement. The cats love the taste and will readily lap it up. It is most helpful to two of my kitties with the herpes virus. One is affected in her eye and the other in her sinuses. It certainly cuts down on the severity of the herpes flare ups. I highly recommend it. The only downside.... it is pricey.
By Sheri
Excellent for multiple symptoms
February 9, 2015
I started giving this product to my cats for periodic sneezing. I've since learned that the fish oil and l-lysine are excellent for kidney and arthritis issues as well. Most of my cats get this on their wet food but one doesn't eat anything but dry. I tried putting his on a spoon and now he waits on my desk every morning for his treat.
By Max
West Hills, CA
Enisyl-F Oral Paste for Cats
January 21, 2015
My Vet recommended this when my kitty had a cold. My cat loves it. It has cod liver oil in it and that also helps with furballs.
By animal l.
Review for 3 Pack Enisyl-F Oral Paste for Cats - 300 mL
January 20, 2015
My cat liked the first can and then did not want it anymore so I had to force feed it to him. Going to the treats for awhile. Then he will like the can again. Its a cat thing.
By Buddy
Jackson, TN
Enisyl-F Oral Paste
January 18, 2015
This is the only way I can be sure my cat takes this product. He has Feline Herpes and this keeps it under control.
Ringgold, GA
Cats with Feline Herpes - Must Have!
October 10, 2014
Vetoquinol Enisyl-F Oral Paste for Cats - 300 mL is the easiest measured method for administration of Lysine to cats that I have found. With a bit of effort you can actually place a precisely measured amount of Lysine in your cats mouth. If the cat is particularly ill this is the preferred method of administration . . . also can be placed on cat's paw and if not very ill a cat will innately attempt to clean it's paw (take the Meds on its own). This formulation of Lysine insures excellent absorption and Feline Herpes requires daily Lysine treatment if infected cats are to survive the illness!
By Ammo
Enisyl Oral Paste for Cates
September 6, 2014
I have been giving this to my cat, Myles, for nearly three years. It was recommended by the vet to address his probable Herpes; symptoms are sneezing, chronic upper respiratory "phlegm", and weepy eyes. He still has the symptoms, but they have been reduced, and he is far less likely to need antibiotics for an URI. So, not the "magic pill" but definitely contributes to better quality of life for him and less $$ spent for me. Ordering through this site is easy and usually (though not always) they offer the best price. Obviously, if you buy in bulk, you save significant $$. And prices here are SERIOUSLY cheaper than those at the vet office.
By Westernbabe
Oxford, OH
Great product to help my cat's immune system
September 6, 2014
This product was highly recommended by my vet for one of my cat's that has an immune system problem. He looks forward to eating this paste everyday and I feel I am doing the right thing for him.
By Trish
Lisbon Falls, Maine
Keeps Simon active
August 24, 2014
My vet had me give this to my cat, Simon, who has a chronic respiratory condition. I put it on a spoon and when I tap the spoon on the floor he comes running. So not only does he love it, I believe it keeps him healthy. He is VERY active. Entirely Pets has the lowest price that I've found for this product and they have extremely fast shipping at a reasonable cost. I'm happy and so is Simon.
By BobAlex
Jacksonville, FL
Best Thing Ever
August 4, 2014
Our cat, Tom, loves this product and it helps with his breathing problems caused by Feline Herpes. Never any problem with him taking the meds.
By Carol
Enisyl-F Oral Paste for Cats - 300 mL
August 3, 2014
Our kitty has feline herpes and she gets one pump of l-lysine daily. She has been taking this product for 7 years and does very well. She loves the flavor and its anti-viral effects maintains her good health. Excellent product.
By Merri
Excellent Product
July 27, 2014
I am very happy with this product, my cat loves the taste of it and it has really helped her with the herpes virus she has. Also the price was great, the more I purchased the better the price was! I will definitely continue to use Entirely Pets. I am very impressed! Thank YOU!
By jtjc
Best price I found
June 16, 2014
We have two rescued cats and they both were very sick as kittens-the Enisyl has really helped boost their immune system. I like purchasing the three-pack.
By Susie
great medicine and GREAT PRICE
May 28, 2014
My cat has herpes and has been on this for many years, twice a day, I always purchased this at the vets office but found it at half price at Entirely Pets. I purchase other items at really low prices! In addition, they ship so quickly you wont believe it!
By Catlady
Hamilton Ontario Canada
May 24, 2014
This stuff is awesome my cat Alana cannot live without it. She has herpes really bad so she cannot live without it. If I had to buy it from our Vet it would cost us way to much money your prices are way better plus you always have great sales!
By joanne
central coast california
Dessert for our kitties
May 22, 2014
Enisyl oral paste was recommended by our vet for our little part Siamese flame point Ginger. She was a shelter pet and had some issues with irritated bowel and upper respiratory problems. When this was first prescribed we tried to feed it to her like a pill but she would not swallow it. We decided to place it in a small dish beside her regular food and called it "dessert". She gobbled it up and our other cat also wanted a treat. Now they expect "dessert" every day after breakfast - we just call them and tell them dessert is ready and they appear. The paste has helped Ginger. She has not had any respiratory problems and only occasional small accidents from the irritated bowel. She's has been on her "dessert" diet for several years and she is now five years old.
By 4purzlady
Oracle, AZ
Great and easy to give supplement
April 28, 2014
The paste supplement is loved by my cats. It is easy to give in a syringe and you can tell the amount you are giving. I always order it like this as it is the only thing they will take.
By dontonto45
Saved his life and mine
April 16, 2014
Our cat wandered into our life as a stray kitten and is now the light of my life. He came with upper respatory infection which took 5 months to clear, the vet recommending the Enisyl-F oral paste. I have kept him on this for nearly 3 years and he has remained symptom free. I have had 4-level fusions of both my back and neck and without Tonto beside me recovery would have been very difficult.
By Martin R.
North Carolina
Great Product
March 2, 2014
This product works!!!! Our adopted cat acquired Feline Herpes virus infection or Feline Viral Rhinotracheitis when he was a kitten before we got him. Several visits yearly to the vet was the normal routine until we discovered the Enisyl-F. Now the only time he sees the vet is for his annual check up and shots. Small price to pay for a happy cat!
By Chris
Ottawa, Ontario
Great Product
December 16, 2013
Not sure if this is really it's intended use, but my Vet recommended this to help my cat's weeping eye. Bought the first bottle from him, seemed to help my cat, so I looked and found it on EntirelyPets at a much discounted price (awesome!). It's been more than 2 years and my cats eye has had NO issues. So for as long as she's with us, I will continue to use this product, and purchase it through EntirelyPets!
By tiki
Feline Herpes
December 6, 2013
One of four cats has feline herpes and the ensiyl-f oral paste keeps the eye infection flare-ups to a minimum. This same medication costs $40 through the eye specialist. Those visits are very expensive. She gets three ml daily.
By Bob
Huntington Beach, Ca
Oral Paste for Cats
December 5, 2013
Our three cats love this stuff as it keeps problems with hair balls at a minimum.
By BBQ16
Best Ever
November 15, 2013
Great product. Easy to administer and cats love the taste...just lick right off the paws
This helps greatly
November 1, 2013
This helps my little girl greatly. She is older and her immune system is weak, but this helps her and her recurring respiratory problems
By kitty
Review for 3 Pack Enisyl-F Oral Paste for Cats - 300 mL
October 31, 2013
my vet recommended the lysine product as a supplement for my cats but it was quite expensive. I can purchase the same size, same brand for less than half what the vets office charged. I will continue to buy from entirely pets as long as I have pets. research has shown me most supplements are 40 to 50 % less thru this co.
By kitty
saint petersburg, Fl
oral paste is for me
September 26, 2013
My cat loves it. He licks it off my finger so I don't need to put it on his foot to lick off during grooming. Best ever!
By Kathy
Great for Feline Herpes
September 25, 2013
I have two cats, male & female. The male likes this Oral Paste more than the other products for Feline Herpes. These products realy make a difference in the health of my cats.
By donthaveone
snot too bad
July 23, 2013
helps kitty snots less of them while on Enisyl-F two of three cats eat it right off their dry food, other cat won't eat at all if it is there. cats are feed seperately twice a day
By Lady B.
Great Price
July 11, 2013
My local vet office was charging me almost the same price for one bottle.

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