Best Feeds for Horses With Ulcers: Gentle Digestion and Ulcer Support
Horses with gastric ulcers or sensitive stomachs require a careful approach to feeding that supports a calm, buffered stomach and steady digestion. This guide highlights five commonly used feeds and supplements that are designed to aid ulcer-prone horses while fitting into real-world management, travel, and routine care. Each option focuses on gut-friendly ingredients, ease of use, and practical dosing to help maintain comfort and energy. A quick comparison ahead helps identify options that align with your horse’s needs and your routine.
| Product | Brand | Form | Key Benefit |
|---|---|---|---|
| Jeffers Healthy Gut Gastric Support | Jeffers | Liquid Digestive Supplement | Promotes healthy digestion and gut balance; ideal for daily use |
| MagnaGard Plus Gastric Support | MagnaGard | Powder | Ulcer-supporting formula with Omega-3s and minerals; 6-lb bag |
| MagnaGard Gastric Support | MagnaGard | Powder | Gastric ulcer prevention; buffering minerals |
| SBS Starting Gate Granules | SBS Equine | Granules | Natural ulcer relief; enhanced nutrient absorption |
| TRM Gastrofos | TRM | Pelleted powder | Antacid-based ulcer relief; supports healthy digestion |
Jeffers Healthy Gut Gastric Support

This liquid digestive supplement is designed for horses prone to ulcers. It aims to promote healthy digestion and gut balance, making it suitable for daily use and easy administration. The formulation emphasizes a simple, consistent feeding routine, which can help stabilize digestion during periods of dietary change or stress.
Administration and dosing follow a clear plan: 2 fl. oz. daily for 16 days, then 1 fl. oz. for maintenance. This structured approach supports regular gut support and can help maintain a calm stomach during travel or transition periods. Its palatable liquid form makes mixing with feed straightforward or direct administration convenient for handlers.
In practice, owners look for a product that integrates smoothly into daily routines. Jeffers emphasizes ease of use and consistent dosing, which can be particularly valuable for ulcer-prone horses that require steady digestive support over time.
MagnaGard Plus Gastric Support

MagnaGard Plus is a gastric-support powder designed for horses, available in a 6-pound bag that delivers a longer supply. The product highlights a 50% larger bag compared with older editions, providing extended use for ongoing ulcer risk management. The formula includes Omega-3 fatty acids and Vitamin E, along with essential minerals, supporting overall gut health and coat condition.
Usage notes indicate a practical daily routine favored by many owners: a simple supplement added to feed helps maintain a stable digestive environment, with an emphasis on ulcer prevention and gastric comfort. The combination of fatty acids, fat-soluble vitamins, and minerals aims to support energy, immunity, and calm digestion during daily care and travel alike.
As a powder, MagnaGard Plus blends easily with most feeds, allowing for flexible dosing while promoting consistent supplementation. Its design caters to owners seeking a long-lasting, easy-to-use product with a focus on ulcer prevention and stomach comfort.
MagnaGard Gastric Support

MagnaGard Gastric Support is a powder supplement designed to aid gastric health in horses. It includes Omega-3 fatty acids and Vitamin E, with trace minerals that support overall digestion and tissue health. The formulation is positioned as ulcer prevention and gut support, with a focus on providing balanced nutrition to aging or stress-prone horses.
The product is packaged in a 6-pound bag and is marketed for a 45-day supply, reflecting a plan that accommodates regular, long-term administration. The powder form makes it easy to mix into daily feeds, supporting a steady approach to managing gastric comfort alongside a balanced diet.
Potential benefits cited include improved digestion, better nutrient absorption, and ongoing support for a healthy gut, especially for horses needing consistent ulcer prevention and stomach buffering over time.
SBS Starting Gate Granules

SBS Starting Gate Granules provide a stow-and-go option for gastric ulcer relief with a granulated formula designed to mix into feed. The product emphasizes a purely natural approach to supporting digestive health and optimizing nutrient absorption, which can help improve overall comfort and performance in ulcer-prone horses.
Designed as a practical preparation for daily use or during transitions, the granules support the stomach environment and may help with nutrient uptake in the gut. The natural formulation is positioned to ease administration in typical barn settings and during travel where consistent ulcer management is essential.
Owners may opt for this option when seeking a straightforward, naturally derived approach to ulcer relief and digestive health, with a focus on ease of mixing and compatibility with regular hay and grain programs.
TRM Gastrofos Digestive Supplement

TRM Gastrofos is a pelleted powder designed to support ulcer prevention and healthy digestion. The formula uses calcium carbonate and magnesium hydroxide to act as antacids, helping to raise stomach pH and reduce ulcer-causing acidity. A seaweed meal component helps shield the upper stomach, contributing to ulcer protection.
Beyond buffering acid, Gastrofos includes amino acids such as threonine and glutamine peptides that support mucus production and repair of the stomach lining, contributing to a healthier gastric environment during periods of stress, illness, or dietary change. The product is offered in a 6.6 lb size, designed for regular long-term use.
In practice, this option is suitable for horses needing both acid neutralization and mucosal support, offering a targeted approach to managing ulcers while sustaining daily digestion and comfort.
Buying Guide
Choosing the right feed or supplement for a horse with ulcers involves weighing how the product works, how it will fit into daily routines, and how it aligns with veterinary guidance. Consider these factors to build a practical plan:
- Form and dosing: Liquids, powders, granules, and pelleted formats each require different handling. Consider how easily you can mix with feed, measure accurate doses, and maintain consistent administration.
- Mechanism and purpose: Antacids buffering stomach acid (calcium carbonate, magnesium hydroxide) help reduce irritation. Seaweed-based buffers, Omega-3 fatty acids, and probiotics support mucosal health, inflammation balance, and overall gut function.
- Veterinary guidance: Ulcers often require veterinary oversight, especially if combined with prescription therapies. Check compatibility with any ongoing treatments and determine appropriate monitoring.
- Diet compatibility: Forage-based diets with moderate starch can support gastric health. Avoid abrupt changes in concentrate levels and monitor appetite and stool for signs of improvement or concerns.
- On-the-go use and storage: For traveling or competition, select products with stable formulations and packaging that simplify field administration. Ensure proper storage to maintain potency, particularly for oils and vitamins.
- Quality and safety: Choose reputable brands with clear ingredient lists and usage guidelines. Look for third-party testing or certifications where available and review palatability if your horse is hesitant to eat supplements.
These considerations help you compare options across form, convenience, and mechanism. By aligning product choices with your horse’s ulcer history, daily routine, and veterinary recommendations, you can establish a practical, consistent plan to support digestion and comfort over time.