Care Omnia is reader-supported. When you buy through links on our site, we may earn an affiliate commission.

Life is everything. Let's make it a healthy one!

Thank you for your visit!

Life is everything. Let's make it a healthy one!

Thank you for your visit!
Life is everything. Let's make it a healthy one!

Thank you for your visit!

What Is Isoleucine & What Foods Can I Find It In?

Failed to load video
3D-model of Isoleucine (src)

Isoleucine is an essential amino acid that's used in the biosynthesis of proteins.

It's used as building blocks.

Essential means that the body cannot synthesize it and must be ingested through our diet.

Isoleucine is both a glucogenic and ketogenic amino acid.

Isoleucine is concentrated in our muscle tissues.

Isoleucine Is Essential

Isoleucine is one of nine essential amino acids in humans.

It is essential for normal growth and development. (source )

Isoleucine cannot be synthesized in the body and therefore have to be obtained through our diet. (source )

You can find other benefits of isoleucine in Isoleucine: 6 Research-Backed Benefits .

Isoleucine Levels, Detection Of Certain Conditions

Isoleucine is a branched-chain amino acid.

Circulating levels of the branched-chain amino acids in the body, like isoleucine, are increased in type 2 diabetes and obesity.

They are considered early predictors for these conditions. (source )

Foods You Can Find Isoleucine In

You find Isoleucine mostly in dairy and egg, legume, vegetable products, and american indian and alaska native foods.

Examples of food sources include

  • Egg White
  • Soy Protein Isolate
  • Spirulina
  • Bearded Seal
  • Whole Egg
  • Soy Protein Concentrate
  • Atlantic Cod

Foods That Contain Isoleucine 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 Isoleucine we recommend you visit our tool.

Here's our top ranked list of foods that contain Isoleucine.

Sara Niemelä

co-founder Care Omnia, Head Content Creator


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

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