What Can horses Eat?
Horses are herbivores designed to eat a high-fiber diet for many hours each day. Their natural, ancestral diet is mostly grasses and other forage plants, taken in small bites while grazing. This steady intake supports normal gut movement and helps keep the digestive system stable.
A horse has a small stomach and a large hindgut (cecum and colon) where microbes ferment fiber. This setup is excellent for breaking down plant cell walls, but it is less tolerant of large meals, heavy starch loads, or sudden diet changes. Horses can use protein and fat, but their digestive tract works best when most calories come from forage, with concentrates added only when needed for work, growth, or body condition.
Many owners also offer human foods as treats, but not all human foods are safe foods for horses. Some items contain sugars, starches, fats, or additives that do not fit a balanced diet, and a few contain compounds that can be harmful. This guide answers “what can horses eat?” by grouping foods into toxic foods for horses, healthy and recommended options, and foods horses can eat in moderation, with links to detailed pages for each item.
Foods that are Poisonous or Toxic to horses
Some human foods contain natural toxins, additives, or fermentation risks that can be harmful to horses. How serious a problem becomes often depends on the amount eaten, the horse’s size, and the rest of the diet. Individual sensitivity can vary, especially in horses with metabolic concerns or a history of digestive upset.
The foods listed in this section are considered toxic foods for horses or are commonly associated with avoidable risk. Each card links to a full guide that explains why it is unsafe and what to know about exposure. Use this list as a quick reference for what can horses not eat.
Foods that Are Recommended to horses
These options can complement a balanced horse diet when offered in the right form and amount. They work best as small treats or as part of a planned feeding program, not as a replacement for forage. Good-quality hay or pasture should remain the foundation for most horses.
Preparation matters with many safe foods for horses. Clean produce, remove pits or hard seeds when relevant, and avoid added sugar, salt, oils, or seasonings. Keep portions modest and introduce any new item slowly so you can confirm your horse tolerates it.
Foods horses Can Eat in Moderation
Some foods are not toxic but still are not ideal for daily feeding. They may be higher in sugar, starch, fat, or salt than a typical horse diet needs. In some cases, the texture or processing also makes portion control harder.
These items are best offered occasionally and in small amounts, if at all. What works for one horse may not suit another due to differences in workload, age, body condition, and overall diet. Use the cards below to decide which human foods fit your feeding guidelines and which should stay rare treats.
Conclusion
A balanced, species-appropriate diet should always be the base of feeding horses. Forage first, with concentrates and supplements used only when they match a clear need. Human foods should stay supplemental and should never crowd out hay or pasture.
Use the guide above to sort foods into safe, moderate, and unsafe choices, and follow the linked pages for details on each item. If you are unsure about introducing a new food or adjusting the horse diet, check with your veterinarian for advice that fits your horse’s health and workload.