Gastric ulcers affect up to 90% of performance horses and 50-70% of all horses, making digestive health a critical priority for equine owners worldwide. Managing this painful condition requires a multifaceted approach, with the best recommended diet for horses with ulcers serving as the cornerstone of successful treatment and prevention strategies.
When addressing equine gastric ulcers, veterinarians emphasize that dietary modifications must work alongside medical therapy for optimal outcomes. The stomach produces acid continuously, but feeding management can significantly reduce the acidity and protect sensitive gastric mucosa from damage.
Alfalfa hay, complete feeds, and carefully selected supplements all play vital roles in buffering stomach acid and providing essential nutrients during recovery. Ulcer-prone horses benefit tremendously from frequent small meals rather than large grain-based feeds that spike acid production.
In this guide, we will explore the best recommended diet for horses with ulcers, featuring 10 carefully selected products that support gastric health while ensuring proper nutrition for performance, maintenance, or recovery.
Top 10 Recommended Diet Products For Horses With Ulcers
1. Purina Outlast Gastric Support Supplement – Best recommended diet supplement for horses with ulcers
Purina Outlast Gastric Support Supplement is the best recommended diet supplement for horses with ulcers because it helps maintain a more stable gastric environment before, during, and after feeding. The scientifically formulated supplement is commonly incorporated into ulcer management programs alongside appropriate veterinary care and forage-based nutrition.
- Protein, Vitamin and Mineral Fortification -A concentrated formula to fill nutritional gaps common in forage or unfortified grains
- Balances Omega Fatty Acid Ratios - Feeding Omega Match Ration Balancer as the sole concentrate ration to stalled horses for 11 weeks resulted in the development of similar omega fatty acid ratios to horses on pasture.
Its specialized mineral technology supports gastric buffering while complementing natural digestive processes. When fed consistently with quality forage, it helps maintain stomach comfort during training, transportation, and competition.
Purina Outlast performs exceptionally well for sport horses, racehorses, breeding stock, and pleasure horses requiring additional nutritional support for gastric health.
Pros:
- Gastric support
- Easy feeding
- Highly palatable
- Research backed
- Daily use
- Complements forage
- Trusted brand
Cons:
- Supplement only
- Premium price
- Not medication
2. Triple Crown Senior – Best complete feed for horses with ulcers
Triple Crown Senior is the best complete feed for horses with ulcers because its highly digestible, low-starch formulation supports horses requiring gentle nutrition without excessive grain intake. The forage-based design helps reduce dietary factors associated with gastric irritation while maintaining excellent body condition.
- SENIOR HORSE FEED - Specially formulated for older horses, offering a beet pulp-based formula rich in nutrients and fats for optimal digestive health and weight maintenance.
- EQUINE SENIOR FEED - Ideal for mature, performance, and underweight horses, this feed provides essential fiber and reduced starch and sugar levels for balanced nutrition.
Beet pulp, soybean hulls, controlled starch, and added fat provide slow-release energy that minimizes sharp digestive fluctuations. Fortified vitamins, minerals, and probiotics further support digestive efficiency and overall health.
Triple Crown Senior performs exceptionally well for senior horses, hard keepers, horses with dental challenges, and ulcer-prone animals needing a complete nutritional program.
Pros:
- Low starch
- High fiber
- Complete nutrition
- Digestible
- Added probiotics
- Excellent condition
- Quality ingredients
Cons:
- Premium price
- Feed management
- Storage required
3. Tribute Kalm ‘N EZ – Best low-starch feed for horses with ulcers
Tribute Kalm ‘N EZ is the best low-starch feed for horses with ulcers because it provides controlled energy through highly digestible fiber and fat instead of excessive cereal grains. This nutritional approach supports horses requiring sustained performance while reducing large starch meals that may contribute to gastric discomfort.
- Low NSC. No corn! No molasses! Keeps sugar and starch levels low in your horse's diet
- High fiber for calm performances without loss of energy or condition
The feed contains beet pulp, soy hulls, vegetable oils, organic minerals, and quality protein sources that promote healthy digestion and muscle maintenance. Added prebiotics and probiotics further enhance hindgut health.
Tribute Kalm ‘N EZ performs exceptionally well for performance horses, trail horses, breeding animals, and horses sensitive to high-grain diets.
Pros:
- Low starch
- High fiber
- Added probiotics
- Quality protein
- Digestible
- Steady energy
- Excellent nutrition
Cons:
- Premium pricing
- Limited dealers
- Feeding adjustments
4. Standlee Premium Alfalfa Pellets – Best forage for horses with ulcers
Standlee Premium Alfalfa Pellets are the best forage for horses with ulcers because alfalfa naturally contains calcium and protein that help buffer stomach acidity before exercise and throughout the day. The consistent pellet form also simplifies feeding while maintaining dependable forage quality.
- Great for using around the farm or stable
- Premium Alfalfa Pellets Forage
High-quality sun-cured alfalfa provides digestible fiber that supports healthy chewing activity and saliva production, both of which contribute to natural acid buffering. Uniform pellets reduce dust while remaining easy to store and feed.
Standlee Premium Alfalfa Pellets perform exceptionally well alongside grass hay in ulcer-management feeding programs recommended by many equine nutritionists.
Pros:
- High calcium
- Quality forage
- Digestible fiber
- Dust reduced
- Consistent quality
- Easy storage
- Excellent buffering
Cons:
- Supplemental forage
- Storage needed
- Balanced diet required
5. Purina Ultium Competition Horse Formula – Best performance feed for horses with ulcers
Purina Ultium Competition Horse Formula is the best performance feed for horses with ulcers because it supplies concentrated calories primarily through fat and fermentable fiber instead of relying heavily on starch. This nutritional profile supports athletic performance while helping reduce dietary factors associated with gastric irritation.
Its controlled starch formulation includes beet pulp, vegetable oils, quality protein, antioxidants, vitamins, and minerals that maintain body condition during demanding exercise programs. The energy release remains more gradual than traditional high-grain concentrates.
Purina Ultium performs exceptionally well for eventers, jumpers, dressage horses, endurance horses, and other equine athletes requiring high-calorie nutrition with improved digestive support.
Pros:
- High fat
- Controlled starch
- Athletic performance
- Excellent calories
- Quality protein
- Digestible
- Trusted brand
Cons:
- Premium cost
- Active horses
- Careful feeding
6. Buckeye Safe ‘N Easy Performance – Best controlled-starch feed for horses with ulcers
Buckeye Safe ‘N Easy Performance is the best controlled-starch feed for horses with ulcers because it delivers calories primarily through digestible fiber and vegetable oils instead of excessive grain. This nutritional approach helps maintain consistent energy levels while supporting horses that require a stomach-friendly feeding program.
Its blend of beet pulp, soybean hulls, stabilized rice bran, and quality protein promotes healthy digestion while reducing rapid starch fermentation. Added vitamins, minerals, and probiotics further contribute to digestive efficiency and overall condition.
Buckeye Safe ‘N Easy Performance is particularly suitable for performance horses, easy keepers, and ulcer-prone horses requiring dependable nutrition without large starch meals.
Pros:
- Controlled starch
- High fiber
- Added probiotics
- Steady energy
- Digestible ingredients
- Complete nutrition
- Quality formula
Cons:
- Premium price
- Feed gradually
- Dealer availability
7. Cavalor FiberForce – Best high-fiber feed for horses with ulcers
Cavalor FiberForce is the best high-fiber feed for horses with ulcers because it emphasizes digestible fiber while keeping starch and sugar levels exceptionally low. The forage-rich formulation encourages normal digestive function and helps maintain a more comfortable gastric environment.
Long-fiber ingredients stimulate chewing activity, increasing saliva production that naturally buffers stomach acid. Carefully balanced vitamins, minerals, and essential amino acids support healthy body condition without relying on heavy cereal grain inclusion.
Cavalor FiberForce performs exceptionally well for horses recovering from gastric ulcers, insulin-sensitive horses, and animals requiring specialized digestive support.
Pros:
- Very high fiber
- Low starch
- Encourages chewing
- Balanced minerals
- Excellent digestibility
- Quality ingredients
- Supports gut health
Cons:
- Premium cost
- Feeding transition
- Limited suppliers
8. Dengie Alfa-A Oil – Best forage-based feed for horses with ulcers
Dengie Alfa-A Oil is the best forage-based feed for horses with ulcers because it combines chopped alfalfa with added vegetable oil to provide slow-release energy while helping buffer stomach acidity. The highly digestible forage encourages prolonged chewing, an important factor in maintaining gastric comfort.
The alfalfa provides natural calcium and quality protein, while the added oil increases calorie density without significantly increasing starch intake. This combination supports healthy weight maintenance alongside digestive management.
Dengie Alfa-A Oil is widely used for performance horses, breeding stock, and horses requiring additional calories while following ulcer-friendly feeding programs.
Pros:
- Alfalfa based
- High fiber
- Added oil
- Low starch
- Encourages chewing
- Good calorie source
- Highly digestible
Cons:
- Supplemental feed
- Storage space
- Introduce gradually
9. Nutrena Empower Boost – Best high-fat supplement for horses with ulcers
Nutrena Empower Boost is the best high-fat supplement for horses with ulcers because it increases calorie intake without depending on large grain meals that may aggravate sensitive digestive systems. The concentrated formula supports horses needing additional energy while maintaining an ulcer-conscious feeding strategy.
- Purina
- Added Antioxidants including Vitamin E to help address the damaging effects of free radicals
Stabilized rice bran, vegetable fats, antioxidants, and vitamin E provide highly digestible calories that assist with body condition and muscle maintenance. The supplement blends easily into existing feeding programs for horses with increased nutritional demands.
Nutrena Empower Boost performs especially well for underweight horses, performance horses, and individuals recovering from illness or prolonged stress.
Pros:
- High-fat calories
- Easy mixing
- Digestible
- Quality ingredients
- Supports condition
- Rich vitamin E
- Versatile
Cons:
- Supplement only
- Premium price
- Gradual introduction
10. Seminole Equalizer – Best ration balancer for horses with ulcers
Seminole Equalizer is the best ration balancer for horses with ulcers because it supplies concentrated vitamins, minerals, amino acids, and protein without requiring large concentrate meals. Horses consuming mostly forage can receive complete nutrition while limiting unnecessary starch intake.
Its nutrient-dense formulation complements hay-based feeding programs by correcting nutritional gaps without significantly increasing calorie intake. This balanced approach supports muscle maintenance, hoof quality, immune function, and digestive health.
Seminole Equalizer is an excellent choice for easy keepers, horses maintained primarily on forage, and ulcer-prone horses requiring balanced nutrition with minimal concentrate feeding.
Pros:
- Concentrated nutrition
- Low feeding rate
- Balanced minerals
- Quality protein
- Supports digestion
- Easy feeding
- Complete supplement
Cons:
- Not complete feed
- Premium price
- Requires forage
Feeding Guide: How to Build the Best Recommended Diet for Horses with Ulcers
Prioritize Forage
Good-quality grass hay should form the foundation of the diet. Horses benefit from frequent forage intake because chewing stimulates saliva production, which naturally buffers stomach acid.
Limit Large Grain Meals
High-starch concentrates can increase acid production and digestive disturbances. Replacing part of the grain ration with digestible fiber and healthy fats often supports better gastric comfort.
Include Alfalfa Strategically
Feeding a small amount of alfalfa before exercise may help buffer stomach acid due to its naturally higher calcium content.
Feed Smaller Meals More Often
Multiple smaller meals reduce long fasting periods, helping maintain a more stable gastric environment throughout the day.
Supply Clean Water
Unlimited access to fresh water supports digestion, hydration, and normal gastrointestinal function.
Reduce Stress
Transportation, intensive exercise, social disruption, and prolonged confinement can contribute to ulcer development. Consistent management supports recovery.
Work With Your Veterinarian
Every horse responds differently. Veterinary guidance helps determine whether dietary adjustments alone are sufficient or if medical treatment is also necessary.
What Is The Recommended Diet For Horses With Ulcers FAQs
1. What is the best recommended diet for horses with ulcers?
High-quality forage supported by controlled-starch feeds and veterinary guidance provides the foundation of an effective nutritional program. Products such as Purina Outlast Gastric Support Supplement can complement a forage-based diet but should not replace appropriate veterinary care.
2. Is alfalfa good for horses with ulcers?
Yes. Alfalfa is frequently recommended because its calcium and protein content may help buffer stomach acid when incorporated appropriately into a balanced feeding program.
3. Should horses with ulcers avoid grain?
Many horses benefit from reducing large starch-rich grain meals. Fiber- and fat-based feeds are often preferred because they provide energy while placing less emphasis on cereal grains.
4. How often should horses with ulcers eat?
Frequent access to forage throughout the day is generally recommended to reduce prolonged exposure of the stomach lining to gastric acid.
5. Can supplements cure gastric ulcers?
No. Nutritional supplements support digestive health but are not substitutes for diagnosis and treatment prescribed by a veterinarian.
6. Are probiotics helpful for ulcer-prone horses?
Probiotics may support hindgut health in some horses, although ulcer management should always be based on veterinary recommendations and an appropriate feeding program.
7. What is the most important feeding practice for horses with ulcers?
Providing consistent access to forage is widely considered one of the most effective nutritional strategies for helping maintain gastric health.
Conclusion
In conclusion, selecting the best recommended diet for horses with ulcers involves far more than choosing a single feed, as successful management depends on combining quality forage, controlled-starch nutrition, and consistent feeding practices. Purina Outlast Gastric Support Supplement earned our best recommendation because it complements forage-based diets by helping maintain a healthier gastric environment while fitting easily into a comprehensive ulcer-management program.
Triple Crown Senior takes the runner-up position thanks to its highly digestible, forage-based formulation, controlled starch content, and complete nutritional profile that benefits many horses requiring gentle digestive support. It narrowly follows the top recommendation because it serves as a complete feed rather than a specialized gastric support supplement.
Horses experiencing gastric ulcers often respond best when feeding programs emphasize continuous forage intake instead of large concentrate meals. Careful attention to forage quality, meal frequency, and overall management can significantly influence digestive comfort and long-term performance.
An effective nutritional strategy should always complement professional veterinary diagnosis and treatment rather than replace it. Building a feeding program around the horse’s workload, body condition, forage availability, and medical history provides the strongest foundation for lasting digestive health.
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