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Why Ox Spleen is an Immune System Superpower

February 14, 2022

Raw dog food with NORM ox spleen

NORM’s Freeze Dried Ox Spleen meal topper is proving to be a serious fan fave, and frankly this comes as no surprise to us.

The spleen is an organ that doesn’t get a lot of attention, but it’s a key part of our immune system and it plays SUCH an important role in the health of us and our pets.

Your spleen is like your body’s bouncer, working around the clock to identify and remove old or damaged red blood cells, and protect us from illness by weeding out infection-causing bacteria, and sending in white blood cells to fight them off.
One very cool thing the spleen does is save and store the useful parts of the old red blood cells it breaks down, including iron. This means that NORM’s ox spleen meal topper is a rich source of heme iron, which is an essential nutrient for dogs and cats.

Spleen is also a great source of vitamin B12, which is another nutrient that plays an important role in keeping blood healthy and preventing anemia (or iron deficiency). B12 is a water-soluble vitamin, which means the body doesn’t store it and we need to make sure there is plenty in the diet.

Spleen is also an excellent source of selenium, copper, zinc, vitamin C, phosphorus and of course protein.


The spleen is a source of some cool little things called alkylglycerols. Alkylglycerols are a type of compound called ether lipids and they have been studied widely as an anti-cancer agent that supports the immune system. They are present in breast milk and a recent study found they appear to play an important role in preventing obesity in breastfed offspring.

Alkylglycerols are most-commonly sourced from shark liver which has been used in Scandinavian folk medicine for eons to support the immune system support and fight cancer. They are thought to be the reason sharks very rarely suffer from cancer!

NORM’s ox spleen comes from 100% human grade, Australian beef, and it is freeze-dried to ensure the nutrients it contains are well retained, unlike other preservation methods that use high heat and can degrade important vitamins and mineral.

Ox spleen is one of the secreting organs that is not easily sourced, so our topper is a great way to add powerful nutritional variety to both fresh and conventional pet diets. At NORM we want to bring you stuff you can’t get anywhere else, otherwise what’s the point, ya know?

Try it today and bundle with our signature Spirulina Freakshake and Pork Testes topper to save. 

Wild bowl pic from the wonderful @twotibetans on Instagram

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