What happens if a dog eats Broccoli?

If a dog eats Broccoli, they may experience: Large amounts: gas, stomach upset, diarrhea.

Caution

CautionVet ReviewedReviewed by Dr Alex Crow BVetMed MRCVSvegetable

Use Caution

Medium dog serving: 3-4 florets

Key warning: large amounts

Can Dogs Eat Broccoli? Yes — Small Amounts Only, Here's Why

This food requires caution. Read the details carefully before feeding.

Broccoli is safe for dogs in small quantities. Large amounts can cause gastrointestinal irritation due to isothiocyanates in the florets.

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Warning Signs & Symptoms

Large amounts: gas, stomach upset, diarrhea.

Safe to Feed

florets and stems

What to Avoid

large amounts

Preparation & Serving

Serve plain — raw or lightly steamed. No seasoning. Limit to under 10% of daily food intake.

Potential Health Benefits

Rich in fiber, vitamins C and K, and sulforaphane which has anti-cancer properties.

Safer Alternatives

Monitor for gas and digestive upset

Did you know?

Broccoli florets contain isothiocyanates — natural compounds that are beneficial in small amounts but cause gastric irritation in larger quantities.

Portions & nutrition

Toxic dose (per kg body weight): Florets become problematic at over 10% of daily diet
Serving (small dog): 1-2 small florets
Serving (medium dog): 3-4 florets
Serving (large dog): 5-6 florets
Calories (per 100g): 34
Safe frequency: 2-3 times per week

Source

Source: AKC

What You Need to Know

Broccoli florets contain isothiocyanates which can be irritating in large doses. Small amounts as an occasional treat are fine. Broccoli stems can be a choking hazard.

Broccoli Variations

Cooked BroccoliCaution Broccoli StemsCaution Steamed Broccoli for DogsCaution Broccoli FloretsCaution Puppies BroccoliCaution

This food requires care — if your dog has eaten a large amount read our emergency guide

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Helpful Resources

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Frequently asked questions

Is Broccoli safe for dogs?: Broccoli requires caution for dogs. Broccoli is safe for dogs in small quantities. Large amounts can cause gastrointestinal irritation due to isothiocyanates in the florets.
What happens if a dog eats Broccoli?: If a dog eats Broccoli, they may experience: Large amounts: gas, stomach upset, diarrhea.
How much Broccoli can a dog eat?: Broccoli florets contain isothiocyanates which can be irritating in large doses. Small amounts as an occasional treat are fine. Broccoli stems can be a choking hazard.

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Medical Disclaimer: This information is for educational purposes only. Always consult a licensed veterinarian before making dietary changes for your pet.