Horses have very sensitive digestive systems, and several common foods can make them sick or even be dangerous. Based on current sources, the foods horses should NOT eat include toxic plants, gas‑producing vegetables, spoiled feed, and anything outside a natural herbivore diet. Even those you can eat some of these things if horse do, they can get very very sick

🚫 What Horses Can’t Eat

❗ Dangerous or Toxic Foods

These foods can cause serious illness and should never be given to horses:

• Avocado — contains persin, which can cause colic and heart problems.
• Chocolate — contains theobromine, toxic to horses.
• Onions and garlic — large amounts can damage red blood cells.
• Tomatoes, potatoes, eggplant — part of the nightshade family; contain solanine.
• Rhubarb — toxic leaves and stems.
• Stone fruit pits (peaches, plums, cherries) — pits contain cyanide compounds.
• Oleander, yew, azalea — extremely poisonous plants; even small amounts can be fatal.

🌬️ Foods That Cause Gas or Colic

These vegetables can create dangerous gas buildup:

• Cabbage
• Broccoli
• Cauliflower
• Brussels sprouts
• Kale

All of these can cause gas colic, which can become serious.

🛑 Unsafe Human Foods

These are not toxic but still unsafe for horses:

• Bread — can cause blockages if eaten in quantity.
• Dairy products — horses are lactose‑intolerant.
• Meat — horses are herbivores; meat can upset digestion.
• Caffeine — overstimulates the heart.

🌿 Dangerous Yard or Pasture Items

• Lawn clippings — ferment quickly and can cause colic or laminitis.
• Moldy hay or feed — can contain deadly toxins.
• Compost — may contain toxic plants or mold.

🌰 Foods That Pose Choking or Other Risks

• Whole nuts — choking hazard; some nuts contain toxins.
• Large whole fruits — apples, pears, etc. must be cut to prevent choking.

⭐ Quick Summary for Kids

Horses should NOT eat:

• Chocolate
• Avocado
• Onions or garlic
• Tomatoes or potatoes
• Cabbage family veggies
• Moldy food
• Lawn clippings
• Meat or dairy
• Anything with pits or seeds