What happens if a dog eats Vitamin D Supplements?

If a dog eats Vitamin D Supplements, they may experience: Vomiting, diarrhea, lethargy, loss of appetite, excessive thirst and urination, kidney failure.

Not Safe

Not SafeVet ReviewedReviewed by Dr Alex Crow BVetMed MRCVSsupplement

Not Safe for Dogs

Key warning: all vitamin D supplement products

Can Dogs Have Vitamin D Supplements? No — Toxic in Human ...

This food is NOT safe for dogs. Keep it away from your pet.

Vitamin D supplements are toxic to dogs in large doses. Vitamin D3 toxicity causes dangerous calcium buildup affecting kidneys and heart.

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Warning Signs & Symptoms

Vomiting, diarrhea, lethargy, loss of appetite, excessive thirst and urination, kidney failure.

If Your Dog Ate This

Call vet or ASPCA Poison Control 888-426-4435 immediately. Vitamin D toxicity causes progressive kidney damage over days.

What to Avoid

all vitamin D supplement products

Preparation & Serving

Store all supplements in locked medicine cabinets. Keep vitamin D supplements especially secured.

Safer Alternatives

Consult vet for dog-appropriate vitamin D supplementation if needed

Did you know?

Vitamin D toxicity in dogs causes hypercalcemia — dangerously high blood calcium — which causes calcium to deposit in soft tissues including kidneys, arteries, and lungs, causing irreversible organ damage.

Portions & nutrition

Toxic dose (per kg body weight): As low as 0.1mg per kg of vitamin D3 causes toxicity
Calories (per 100g): 0
Safe frequency: Never without vet prescription

Source

Source: ASPCA

What You Need to Know

Dogs need far less vitamin D than humans. Human vitamin D supplements can easily cause toxicity. Never give human supplements to dogs without vet guidance.

Vitamin D Supplements Variations

Vitamin D for DogsNot Safe Vitamin D Supplements for DogsNot Safe

Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic

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Frequently asked questions

Is Vitamin D Supplements safe for dogs?: No, Vitamin D Supplements is not safe for dogs. Vitamin D supplements are toxic to dogs in large doses. Vitamin D3 toxicity causes dangerous calcium buildup affecting kidneys and heart.
What happens if a dog eats Vitamin D Supplements?: If a dog eats Vitamin D Supplements, they may experience: Vomiting, diarrhea, lethargy, loss of appetite, excessive thirst and urination, kidney failure.
How much Vitamin D Supplements can a dog eat?: Dogs need far less vitamin D than humans. Human vitamin D supplements can easily cause toxicity. Never give human supplements to dogs without vet guidance.

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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.