Safe Ingredients: What to Use and What to Avoid

Before you bake your first batch of pet treats, understanding which ingredients are safe — and which are dangerously toxic — is essential. This guide covers the fundamentals every pet baker should know, supporting our core principle of full ingredient control.

Never Use These Ingredients

  • Chocolate — contains theobromine, toxic to dogs and cats
  • Xylitol — artificial sweetener that causes rapid insulin release and liver failure
  • Grapes & Raisins — can cause acute kidney failure in dogs
  • Onions & Garlic — damage red blood cells, causing anemia
  • Macadamia Nuts — cause weakness, vomiting, and hyperthermia in dogs
  • Alcohol & Caffeine — dangerous even in small amounts

Safe Ingredients for Dogs

Dogs can enjoy a wide variety of whole foods: peanut butter (always check the label for xylitol), pumpkin, sweet potato, carrots, apples (no seeds), bananas, oats, eggs, lean meats, and plain yogurt in moderation. Whole wheat flour and oat flour are safe binding agents for most dogs.

Safe Ingredients for Cats

Cats do best with animal-based proteins: cooked salmon, tuna, chicken, and eggs. Small amounts of catnip add appeal. Limited carbohydrates like oat flour or sweet potato work as binders. Avoid excessive plant-based ingredients — cats have limited ability to process carbohydrates.

Peanut Butter Warning

Always verify peanut butter is xylitol-free. Some "sugar-free" brands marketed for humans contain this deadly sweetener. When in doubt, choose brands with only peanuts and salt on the ingredient list.

Use Caution With These

Some ingredients are safe in small amounts but problematic in excess. Salt should be used sparingly — pets need far less sodium than humans. Nutmeg can cause hallucinations and seizures in large quantities. Cooked bones can splinter and cause internal injuries; always use boneless meats. Avocado pits and skin contain persin, which is toxic to many animals.

When in Doubt, Research First

If you're unsure about an ingredient, consult your veterinarian or a reliable veterinary nutrition resource before including it in a recipe. The ASPCA Animal Poison Control Center maintains an updated list of toxic and non-toxic plants and foods for pets.

For pets with known sensitivities, pair this guide with our Allergy-Friendly guide to build treats that are both safe and well-tolerated.