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What Is Arachidonic Acid (20:4 n-6) & What Foods Can I Find It In?

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3D-model of Arachidonic acid (20:4 n-6) (src)

Arachidonic acid, AA, 20:4 n-6, also known as arachidonate.

It’s a polyunsaturated omega-6 fatty acid.

It’s needed for maintaining normal health.

When arachidonic acid has been processed, most AA is not longer present as a free acid.

Arachidonic Acid Is Essential

Arachidonic acid is a polyunsaturated, essential fatty acid. (source )

Arachidonic acid functions as an important mediator of second-messenger pathways within the brain. (source )

Arachidonic acid cannot be synthesized in the body, and therefore must be included in the diet from various food sources. (source )

Arachidonic Acid Needed For Health

Arachidonic acid is a very important nutrient that we need for maintaining health.

It's anti-inflammatory and important for your immune system.

These and other research-backed benefits you might get from consuming arachidonic acid, you can find in Arachidonic Acid (20:4 n-6): 7 Research-Backed Benefits .

Arachidonic Acid In Meat

Arachidonic acid is only found in animal-derived foods because plants cannot synthesize it.

It means that you can find natural arachidonic acid in meat, poultry, eggs, fish, and dairy foods. (source )

Foods You Can Find Arachidonic Acid (20:4 n-6) In

You find Arachidonic Acid (20:4 n-6) mostly in american indian and alaska native food, beef, and lamb, veal, and game products.

Examples of food sources include

  • Coho Salmon
  • Beef Kidney
  • Lamb Testes
  • Lamb Brains
  • Lamb Kidney
  • Beef Liver
  • Beef Heart

Foods That Contain Arachidonic Acid (20:4 n-6) In Our Nutrition Tool

You can find regularly updated top ranked lists of foods for over 200+ nutrients in our nutrition tool.

If you are interested in what foods contain the most Arachidonic Acid (20:4 n-6) we recommend you visit our tool.

Here's our top ranked list of foods that contain Arachidonic Acid (20:4 n-6).

Sara Niemelä

co-founder Care Omnia, Head Content Creator


I’m a wife and a mother of three. I enjoy the outdoors, cooking, and spending time with my family.

Nutrition is my passion. I've spent thousands upon thousands of hours reading, analyzing, categorizing and comparing research studies.