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

What Is Threonine?

Threonine is an essential amino acid that is used in the biosynthesis of proteins. Threonine is an important residue of many proteins, such as tooth enamel, collagen, and elastin.

In plants and microorganisms, threonine is synthesized from aspartic acid.

Threonine Is Essential

Threonine is an essential amino acid. It’s highly concentrated in human plasma, especially in newborns.(source 🗗)

Uses Of Threonine

Threonine is used in the feed of livestock, pharmaceutics, and cosmetics. (source đź——)

Adding threonine in the animal feed has led to better livestock growth and improved efficiency, as well as lowering waste. (source đź——)

Threonine In Food

Threonine is found mostly in meat products, cottage cheese, and wheat germ. (source đź——)

In many foods, especially plant sources, essential amino acid levels are low, which limits its nutrient value. There have been attempts to produce plants containing elevated concentrations of threonine and other essential amino acids, with varied outcomes. (source đź——)

If you are interested in a list of foods where you can find this nutrient. Go to our nutrition tool and check out threonine.

Let your family and friends know about Threonine

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 have spent thousands upon thousands of hours reading, analyzing, categorizing and comparing research studies. Nutrition is the foundation you build a healthy and fulfilling life upon!