Can Dogs Eat Eggshells? Vet Advice on Safe Eggshell Calcium for Dogs

Can Dogs Eat Eggshells? Veterinary Insights

Dr. Sarah Wooten, DVM (via PetMD):
“Eggshell calcium for dogs can be beneficial, but only when prepared safely. Grind shells into a fine powder to avoid digestive injuries.”
Source: PetMD

Dr. Jerry Klein, Chief Veterinary Officer at AKC:
“While eggshells are safe in moderation, they should never replace a balanced diet. Always consult your vet to avoid calcium imbalances.”
Source: American Kennel Club

Eggshell Calcium for Dogs: Benefits & Risks

Why Use Eggshell Calcium for Dogs?

Eggshells are 95% calcium carbonate, providing ~800–1,000 mg per teaspoon. This makes them a cost-effective homemade dog supplement for pets on raw or homemade diets.

Key Benefits:

• Supports bone density and muscle function.
• Reduces plaque as a natural dental abrasive.
• Contains collagen for joint health (NIH Study).

Safe Eggshell Preparation: Step-by-Step

1. Sterilize Shells:
   Boil for 10 minutes or bake at 200°F to kill Salmonella (CDC Guidelines).
2. Grind to Powder:
   Use a coffee grinder until texture resembles flour.
3. Dosage Guidelines:
   • Small dogs: ¼ tsp weekly
   • Large dogs: ½–1 tsp weekly
     “Over-supplementing eggshell calcium for dogs can cause kidney stones.” – VCA Hospitals

Homemade Dog Supplements: Eggshell Recipes

Combine eggshell powder with:

• Pumpkin Puree: For fiber and digestion.
• Coconut Oil: Adds healthy fats.
• Turmeric: Anti-inflammatory benefits.

Example Recipe:
1 cup pumpkin puree + 1 tsp eggshell powder + 1 tbsp coconut oil.

3 Risks of Eggshell Calcium for Dogs

1. Bacterial Contamination
   Raw shells risk Salmonella—always sterilize.
2. Choking Hazard
   Coarse powder can injure the throat.
3. Nutrient Imbalance
   Eggshells lack phosphorus; pair with fish or organ meats.