What are the benefits of Ox Bile in the D3 & K2 Vitamins?

The Benefits of Ox Bile: 

Vitamin D3, in conjunction with the cofactor ox bile, is significant for enhancing the absorption of fat-soluble vitamins.  

• Improved Absorption of Vitamin D3: Ox bile plays a role in the digestion and absorption of fats, which may aid in the body's utilization of fat-soluble vitamins like Vitamin D3.