Arachidonic acid sodium salt, derived from Mortierella alpina, is widely used in the production of infant formula to support brain development and overall growth. It serves as a key ingredient in dietary supplements aimed at enhancing cognitive function and reducing inflammation. In the pharmaceutical industry, it is utilized in the development of anti-inflammatory and immunomodulatory drugs. Additionally, it is incorporated into skincare products for its role in maintaining skin elasticity and moisture. Its application in research includes studying lipid metabolism and cellular signaling pathways.