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CORTA-FLX U-Gard Pellets

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4 lbs
Less than $0.66/DAY
(32 day supply)


In Stock. Usually Ships within 24 hours.

10 lbs
Less than $0.55/DAY
(80 day supply)


In Stock. Usually Ships within 24 hours.

40 lbs
Less than $0.44/DAY
(320 day supply)


In Stock. Usually Ships within 24 hours.

Shipping weight = 5.00 lbs.


Product Summary:


Field trials show that U-GARD from CORTA-FLX is highly effective in helping gastric ulcers that may be caused by the stress of training, competition, stall confinement, and diets high in carbohydrates.

  • Contains Calcium and Magnesium, which aid in acid reduction
  • Clinically proven to be effective in helping decrease the severity of gastric ulcers
  • Pellet form

Guaranteed Analysis:
Calcium, Min. - 2.5%
Calcium, Max. - 3.5%
Magnesium, Min. - 3.5%

Feeding Directions:
For an average 1,100 lb. (500kg) horse, feed 1 oz. (28g) twice daily with the horse's regular feed or mix with a small amount of water and give orally. Prior to training or event, give an additional 1 oz. (28g). Feed others according to body weight, less for smaller horses, ponies and foals, more for larger breeds. 1 oz. measure enclosed in container.

For Sale and Distribution Only In The USA

Downloadable Resources
MSDS SheetManufacturer Information
Product LabelManufacturer Information
Style Item Number Model Number UPC
4 lbs E000456 004 188A 606199013007
10 lbs E000456 010 188B 606199012598
40 lbs E000456 040 188C 606199012604

Product Reviews by Customers

4.9 / 5.0
39 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
They eat it very good
October 11, 2018
1 month ago
Seems to be helping
all I can say is my older gelding, 20, likes to eat them and they seem to be helping him. He has stopped looking so aggravated and upset and has stopped biting the top of his stall door when he first comes in. He has been on them for about 2 and 1/2 months now. So I will keep using them.
October 3, 2018
3 months ago
Great for Maintaining Weight for Horse with Hindgut Ulcers
I have a 15 year old APHA Chestnut Gelding, over winter he was placed with a young colt and lost weight over winter. Like 200 lbs, I could not see it under all the fur barely and it was gradual, so it went unnoticed because i feel my horses everyday. I just figured maybe the last hay quality was that bad that he lost so much weight but my younger colt did not. Had someone suggest giving him a massage and some chiropractic work bc he was limping. and they knew the pressure points and they hit one spot behind his ribs and he flinched badly. She asked me if i ever tested him for ulcers. I was like no I have not. So I ended up having my vet do the succeed test (fecal sample) like $55.00 and confirmed that he was positive albumin and negative hemoglobin. Which meant he had non bleeding or (active) hind-gut ulcers. I was shocked, so vet prescribed medication for 2 weeks and I have had him on this U-guard since and he will remain on this product for life now. Also seperated him from the young colt bc ulcers are mostly caused by stress. So far he has gained a lot of good weight on him and I am extremely satisfied with this product. Started out giving twice a day for 30 days then once a day.
August 4th 2018 at end of June added fresh Hay as well Still on U Guard pellets.
in May 2018 gained a sufficient amount of weight, due to U-guard and tribute feeds
In April 2018 Diagnosis, He started shedding and can now see his ribs. I feel horrible...
August 17th 2018 Still can use more weight but has so much more energy and looks 10x healthier.
August 28, 2018
2 months ago
Good stuff
Have used U-Gard pellets for several years. Great product.
August 20, 2018
2 months ago
The best price around - this is a maintenance supplement for us!
April 4, 2018
7 months ago
Great for my OTTB who may have had ulcers!
Works great for my OTTB who I am not sure has ulcers but the vet recommended putting him on something just as a preventative measure especially because he was getting 2 grams of bute a day for about a month due to an injury. Since feeding this he seems happier about me touching his stomach and has put on quite a bit of weight! Definitely will continue feeding this to him twice a day forever!
March 16, 2018
7 months ago
Keeps my horses comfortable, they show signs of stomach issues that normally cause stress at shows. Love it!!
September 22, 2017
1 year ago
Might Help, Won't Hurt
I have an OTTB who didn't have classic ulcer symptoms but did have some behaviors consistent with ulcers. This is basically an antacid and vet said no harm in trying it. Seems to be worth giving prophylactically, and some of the behaviors do seem to have improved, although that could also simply be time and training.
March 13, 2017
Great product!
I've used U Gard on my barrel horses for the last 5 years & it really does help soothe their stomach & prevents or eases possible stomach ulcers. I had a horse that looked like he would "faint" when we got to a race but after a week in the U Gard pellets he didn't do it anymore. I've kept with the product & haven't had any problems that would indicate a ulcer!
March 4, 2017
Great Product!!
I have been using this product for about 10 years for my stallion as he developed ulcers from Bute prescribed by a vet. This is an excellent product for preventing and/or treating equine ulcers. I have also started using for two other horses and provide it for my sister's dog who is on long-term pain medication.
December 29, 2016
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Browse 6 questions Browse 6 questions and 65 answers
Why did you choose this? Store
Good basic reasonably priced stomach antacid.
Kalli N on Jan 6, 2018
good insurance for nightime feed
MARY CLAIRE M on Aug 3, 2017
Good basic reasonably priced stomach antacid.
Kalli N on Jan 6, 2018
Veterinarian recommended
CHARLOTTE T on Aug 16, 2017
good insurance for nightime feed
MARY CLAIRE M on Aug 3, 2017
The barn manager recommended it and swears by it for horses prone to colic. I also saw supporting research. I like the pellet since my horse is finicky. He seems to like it. Using this helps save me work from having to add mineral oil to his meals.
Sony D on Apr 19, 2017
a great gut tamer for training and anxious show horses.
Diane P on Feb 12, 2017
To help my horse with gastric distress. It works!
Mari W on Jan 26, 2017
was recommended to help treat ulcer symptoms
Catherine T on Nov 28, 2016
My OTTB's need it.
CAROL H on Nov 17, 2016
My horses seem to like the taste of these pellets and I want to help protect them from ulcers and colic. Preventative maintenance!!!
DONNA H on Jul 16, 2016
I've used this several times over the years and have noticed differences within days. My gelding was losing weight and getting girthy and sensitive when grooming his stomach. Put him on this and he is gaining weight again and is no longer girthy. Would recommend this for maintenance and gut health.
CARLYN A on Jul 9, 2016
Seems to offer pretty good protection for my TBs delicate stomach issues
WENDY M on May 4, 2016
I have a horse in training
Tricia D on Feb 26, 2016
vet recommended
caren p on Nov 6, 2015
Helps dramatically with my ex-racehorse's ulcer flare-ups....improves his disposition around other horses
Jean H on Oct 18, 2015
needed a ulcer supplement and this was a good price
Alicia H on Sep 23, 2015
Purchased hoping to cut back on ulcerguard; seems to help and is palatable.
L O on Sep 15, 2015
Vet recommended and seems to be working well for my horse.
Bridget M on Jul 10, 2015
This has really helped my OTTB! Great product! He is gaining weight and has a much better temperament. I didn't know ulcers could cause such pain in horses. I am so glad to have found this. If I go to shows I double the amount in his am and pm grain and then on top I take a few tubes of Ulcer guard paste with me to shows to ensure that he is comfortable. works great!!!!
MARIE B on Jul 6, 2015
Recommended by a friend who has had good results using it.
PEGGY P on Jun 3, 2015
I have a horse with gastric issues and this seems to help her
Cheryl N on May 25, 2015
For very old horse with digestive issues. He has passed away. Would use again.
SUSAN G on Apr 4, 2015
Vet recommended!
CHRIS F on Mar 4, 2015
After colic and colic surgery - started using to help protect my horses gut. This product seems to have calmed my horse down as well?
SUNDA L on Jan 26, 2015
yes - have used before and like.
SUSIE L on Nov 11, 2014
It works really good for horses in training showing signs of Ulcer. Its much cheaper than oral medications
Grant D on Oct 1, 2014
Keeps my mare's tummy very happy!
SHARON B on Sep 26, 2014
I have a nervous animal that is always too thin. The reviews that I read described animals that were having the same issues as my horse and they had success with this product. I'll try it and see if it works for me.
Jannette C on Sep 3, 2014
Horse had ulcers
Nancie S on Aug 18, 2014
I love this product! We had a horse that would rear and paw when tied to the trailer and would tend to get a bit nervous while waiting to go into the show ring. After reading some reviews on the product, I decided to give it a try. It has worked WONDERS. So glad I didn't go the really expensive route that other show people did.
J U on Jul 22, 2014
Needed for joint supplement
JOANNE W on Jul 15, 2014
recommended by a friend. My horse was always irritable before I started using this product. Now he is much more pleasant and a lot more comfortable. Works wonders for horses with ulcers!!
ANGIE H on Jun 21, 2014
This is strictly a trial run. My local feed store in Alaska does not carry the product. One of my horses has ulcers, which has made her un-ridable. I want to see if this product will help her to the point of getting back under saddle.
CECIL P on Jun 17, 2014
works great for my 2 older horses
JEANETTE G on May 27, 2014
This will be my first time trying
Wanda S on May 18, 2014
When Budley doesn't get this, I am paying for a vet bill. I guess he has a very sensitive tummy.
CINDY E on May 2, 2014
It was suggested to me.
Faith P on Apr 13, 2014
I know it works well, have used it in the past
Beth H on Apr 13, 2014
I had a horse that would sometimes just collapse during riding at competitions & was a little nervous. After starting this U-Gard I never had that problem again!
SONJA W on Apr 12, 2014
It keeps his belly happy and makes grooming and tacking up easier.
PATRICIA W on Mar 20, 2014
works great and no expensive at all. been using it on all of my horses for about 10 years.
KIMBERLY O on Mar 17, 2014
To guard against Ulcers.
PATRICIA W on Feb 28, 2014
U-Gard works for equine ulcers. I have had my stallion on it for approximately 8 years. Prior to that time he had regular bouts of colic because of his ulcers.
EVELYN E on Feb 19, 2014
From reading peoples reviews!
JOYCE M on Feb 10, 2014
Veterinarian recommended
CHARLOTTE T on Aug 16, 2017
The barn manager recommended it and swears by it for horses prone to colic. I also saw supporting research. I like the pellet since my horse is finicky. He seems to like it. Using this helps save me work from having to add mineral oil to his meals.
Sony D on Apr 19, 2017
how long does it take u guard to work?
A shopper on Apr 6, 2015
BEST ANSWER: Years ago, I actually started with a paste product and then heard about U-Gard. I decided to try it and it is great!!! I have used it ever since for my stallion. I can't actually say how long it should take to work, but it has seemed to work right away. I did stop the paste product as soon as I started U-Gard with no breaks and he did not have an episode in between the changeover. I now use it for two mares that are on daily pain medicine to keep them from developing ulcers. I gave it to my sister for her dog that had stomach problems and she is now using it daily for two of her dogs because they are on joint medication. My daughter is doing the same. My stallion suffered for years with colic. In 2006 he had a extreme colic episode. All the local vets said he was surgical because of his history even though they had not examined him. I called an animal hospital in Kentucky to see if they could do the surgery even though we were going to have to borrow the money. I just happened to talk to a vet named Dr. Carol (I haven't found her since). She actually LISTENED to me and asked me questions about his symptoms. She said it sounded like equine ulcers and told me how to diagnose it. SHE SAVED MY BOY'S LIFE THAT DAY WITHOUT EVER LAYING EYES ON HIM!!!!! I will never be able to thank her enough. The U-Gard has done its job since.
Will u-gard pellets help with a horse that has extra fecal water when passing manure?
A shopper on Feb 27, 2015
BEST ANSWER: U-Gard is formulated for the prevention and treatment of gastric ulcers. Please consult with your horse's veterinarian about your concern for the manure.
I only feed grain once a day. Can I put the recommended amount (2 oz) in that one feeding?
Holly N on Nov 18, 2015
BEST ANSWER: I have done that and it works, but I have a gelding who is a stress case that does better twice a day. In the morning I just give it to him with a handful of grain and he cleans it up.
Can you feed this to a horse who has ulcers already?
Cheyenne N on Apr 12, 2016
BEST ANSWER: i'm sure it's OK. But the way to cure ulcers is to buy the generic brand of acid reducer that starts with a P. I don't remember which, but it is the one with little pellets in capsules, not the tablets. It was something like 10 pellets a day for 7 days. Empty the capsules into the horse's food. The capsules come in 3-packs, and I think I bought 3 and had 2 bottles left over. It costs a fraction of the prescription horse version. A friend said her vet told her about it. It worked.
How many feedings do u get in this container?
A shopper on Jun 25, 2016
BEST ANSWER: It last about a month. I no longer feed because it didn't work. When I had our mare scoped after being on this she was still stage three with ulcers. So vet recommended using Ranitidine .We started feeding this as per vet instructions and after 28 DAYS on this we had her scoped again and they were all healing. Now we only give Ranitidine a couple days before a competition and a couple days after. Not expensive either and your vet can call it in to your Pharmacy.