Health Info  Nutrient Glossary  Arachidonic acid, ARA

Arachidonic acid, abbreviated as ARA, is a long-chain omega-6 fatty acid. It is the dominant type of omega-6 in the brain, representing about 48% of all omega-6 fats found within the brain. An abundance of it can also be found in other cells throughout the body. Like DHA, ARA is important for infants’ proper brain development. It is also a precursor to a group of hormone-like substances called eicosanoids that plays a role in boosting immunity, reducing blood clotting and fostering other vital functions in the body.


People obtain ARA through eating foods such as meat, eggs and milk. Like DHA, ARA occurs naturally in breast milk and it is used to support the mental development of infants. A balanced diet will be sufficient in supplying a healthy level of ARA.

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