Purina Outlast vs. U-Gard pellets

Opinions/results/experiences with, please ???

Outlast did not seem to be beneficial to my horse. I have not used U-Gard pellets. I went to GG and UG for my treatment and prevention. Costly, but it worked.

My vets recommend medical treatment (gastroguard, sucralfate, misoprostol) until the horse scopes clean. They they recommend diet/lifestyle changes, slow feed haynets, and either Outlast or RelyneGI or Platinum Gastric Support.

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The list of people I know who use Outlast for ulcer-prone horses, as prevention, with very good results, is growing, and fairly quickly.

No, it’s not a treatment like UG/GG. But for so many horses who start having issues with stressful situations, this has been a godsend for them. Those who do use it for known issue (ie they have a baseline with which to compare) do feed it at least twice a day, and some of them 3, and handful feed it 4 times. Most only twice.

yes, the ingredients look very simple and duplicatable with, say, Tums and alfalfa. But the honeycomb structure does really seem to be a game changer for those simple ingredients, as well as the seaweed-based source.

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The endurance crowd seems to have taken a good liking to Outlast. Perhaps do some questioning on one of their forums, or on their Facebook groups. I see the Strategy Professional formula now includes Outlast.

I attended a talk at Dover Saddlery 18 months ago. I actually talked to an equine nutritionist after the presentation about my gelding. He recommended 2 things - 2 scoops of Vita B1 Crumbles an hour before a ride and Legends GastroCare. He gave me 2 coupons for 2 free bags of GastroCare. I had nothing to lose by trying it with my boy. It made a huge difference in my horse. He gets it with his grain twice a day. He’ll always get iti

When researching Outlast, it needed to be given to many times which isn’t feasible in my current boarding situation.

In reading the reviews on Outlast …I’ve heard that a lot of people have good results just feeding it twice a day with the morning and evening grain ration. And then they will give a cup before they ride.

I tried the Outlast with mediocre results on very ulcer prone OTTB. I was hopeful but didn’t see a big difference. Interesting about Legends GastroCare. Might try that!

Ingredient list for the Legends: https://www.southernstates.com/docs/salessheets/55253016.pdf

Ingredient list for Outlast: https://www.purinamills.com/2.purinamills.com/media/Images/Products/Outlast-Sell-Sheet.pdf?ext=.pdf

If Outlast isn’t working for you I doubt the Legends will either.

I used U-Gard on my ulcer prone gelding several years ago, before the Outlast came available. I can’t say one way or the other if it helped. I like to think it did. But I also feed alfalfa and give plenty of turnout time, among other things.

I am using Outlast on my mare now, it won’t hurt and it might help. She gets it twice a day.

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I’ve had great results with Outlast. I feed it once a day and before and after rides (usually my rides are at least 3 hours) and before and after trailering. I used it in conjunction and then continued after a full round of treatment (Ulcergard).

I have my stall bound TB on 1 1/4 cups Outlast with am and pm feed, an noon mash of alfalfa/beet pulp , random alfalfa flakes and 60 mg a day of Nexium. He does not have ulcers but this is our prophylaxis.

I fed outlast to help my horse handle stressful situations. Had neither bad or good results, or so I thought. But when I didn’t give him any for a week because none of the stores around me had any in stock, his urinary issues crept right back up. As soon as I started feeding Outlast again, the urinary issue went away. I’ve been fighting this urinary issue from multiple angles and the Outlast was the latest treatment that seemed to work the best.

I just found out that Southern States/Legends is out of business so I’m switching Rustle to Purina Outlast. He’s done so well on GastroTech that I’m paranoid to just stop feeding this type of supplement.

My horse is on Outlast and doing well. He gets it 2x daily with his other supplements halved so that the staff can just grab a baggie. I add more before and after trailering, or any other 'stressful ’ event. Before feeding Outlast I noticed his manure loose during trailering, now not a problem. While he does get a serving of alfalfa pellets daily, especially before riding, I feel that Outlast is a useful component in the program of ulcer prevention. We have had no flareups since using it on a daily basis.

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Say what?


Has anyone tried Outlast or Legends GastroCare with a horse who is opposed to the taste of alfalfa pellets? Do the products tend to be pretty palatable?

Can you confirm this? They recently sold the feed mills but the feeds are still being manufactured and sold in the stores.

It may be that your particular store is closing down, but SS as a whole is alive and well.

We don’t have stores up here so I don’t have access to it anymore.

I just used Purina Outlast Gastic Care for the past while my mare was on antibiotics + bute coming off surgery. She’s a little grumpy in her girth area but not moreso than normal. Granted she was on a ton of alfalfa pellets/beet pulp as well, but I’d like to think the Outlast helped protect her belly from ulcers.