Can horses eat chocolate?

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Short Answer

Safety Summary

✔ Safe: No
⚠ Use caution: Toxic and banned in competition horses
✖ Toxic: Yes

Why

Chocolate is toxic to horses. Theobromine causes cardiac and neurological problems, and horses are particularly sensitive due to their slow metabolism of these compounds. Beyond toxicity, chocolate contains caffeine which is a banned substance for competition horses under FEI and most equestrian governing bodies. Even small amounts pose risk.

Portion Guidance

None. Chocolate must never be fed to horses.

Risks & Symptoms

Rapid or irregular heart rate
Muscle tremors
Colic
Excitement and restlessness
Death in significant doses

FAQ

Is chocolate banned in horse competitions?

Yes — theobromine and caffeine from chocolate are prohibited substances under FEI rules.

How much chocolate is dangerous for a horse?

Any amount should be avoided. Given a horse's body weight, a larger dose is required for lethal toxicity, but there's no safe amount to deliberately feed.

Disclaimer

This is general information and not veterinary advice. Contact an equine vet immediately if your horse consumed chocolate.