Full of Wholesome
Natural Ingredients

  • Protein Rich Recipe with Freeze Dried Pieces of Raw Beef.

  • The Taste They Crave. The Nutrition They Need.

Providing Complete Nutrition for
Your Dog Comes Naturally to Us.

Your dog means the world to you and you’d do anything to keep him happy and healthy. So what do you do when you want to provide your dog with the highest quality, complete and balanced diet? If you’re the people at Castor & Pollux, you work diligently with your Animal Nutritionist, Veterinarian, and ingredient suppliers to develop Natural Ultramix – our complete line of natural food for dogs. If you’re everyone else, you simply buy one of our bags. It’s that easy.

Why Choose Natural Ultramix

Real pieces of raw freeze-dried beef deliver the nutritional benefits of a raw diet in a safe and convenient recipe.


Sometimes obsession is a good thing. We test inbound ingredients and then test during and after production to ensure the highest quality and safety.


We make beef our #1 ingredient, and then bolster that with other fish-based protein sources.


Omega 3 and 6 fatty acids contribute to healthy skin and a luxurious coat.


The calcium to phosphorus ratio helps support healthy bones and teeth.


Fruits and vegetables provide natural fiber to help maintain a healthy digestive system.


Natural Ultramix is made without corn, wheat, soy, artificial colors or artificial preservatives

Natural Ultramix Red Meat Recipe with Raw Bites

Mom Knows Best

When you were young, did your mom ever wag a finger at you and tell you to eat a balanced meal so you’d grow up to be strong and healthy? Some people might call that nagging. At Castor & Pollux Natural PetWorks, we call it good advice. That's why we created Natural Ultramix – to deliver the best possible nutrition for your dog.