Can Dogs Have Vitamin D? No — Extremely Toxic, Causes Fatal Kidney Failure
This food is NOT safe for dogs. Keep it away from your pet.
Vitamin D supplementation is extremely dangerous for dogs. Even small amounts above therapeutic levels cause rapid calcium accumulation leading to kidney failure and death. Rat poison frequently uses vitamin D as its toxic agent.
Search another food
Warning Signs & Symptoms
Hypercalcemia: vomiting, weakness, excessive thirst, kidney failure, cardiac abnormalities, death within days.
If Your Dog Ate This
Call vet or ASPCA Poison Control 888-426-4435 immediately. Vitamin D toxicity causes rapid kidney failure.
What to Avoid
all vitamin D supplements, vitamin D-fortified foods in large quantities
Preparation & Serving
Never supplement without vet prescription and blood monitoring. Call vet immediately if any vitamin D supplement consumed.
Did you know?
Vitamin D toxicity is used as a rodent poison because rodents and dogs are uniquely sensitive to vitamin D excess. Humans have a much wider therapeutic window — the dose that helps a human is still far below toxic while for dogs the margin is dramatically narrower.
Portions & nutrition
- Toxic dose (per kg body weight)
- 0.1mg/kg causes toxicity
- Serving (small dog)
- never without vet prescription
- Serving (medium dog)
- never
- Serving (large dog)
- never
- Calories (per 100g)
- 0
- Safe frequency
- Never without vet prescription
Source
What You Need to Know
Vitamin D toxicosis is one of the most serious supplement toxicities in dogs. Dogs are uniquely sensitive to vitamin D excess — amounts that are safe for humans can be lethal. Rat poison products like Quintox use vitamin D as the active ingredient. Even vitamin D-fortified foods consumed in large quantities can cause toxicity. Never supplement without direct vet guidance and blood monitoring.
Breed-Specific Notes
All dogs at serious risk — there is no wide safety margin.
Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic
Want to know what other dangers are hiding in your home?
Take the 60-second kitchen safety quiz to find out your dog's risk score.
Take the safety quizRelated Foods
Stay in the loop
Get new food safety guides, vet tips, and alerts delivered to your inbox.