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

3D-model of Hydroxyproline (src)

Hydroxyproline is a non-essential amino acid that is a derivative from the amino acid proline.

Hydroxyproline is found in connective tissue proteins, called collagen.

You can also find it in plant proteins. But much less in comparison with the corresponding mammalian proteins.

Hydroxyproline In Collagen

Hydroxyproline is a non-essential amino acid.

Hydroxyproline is one of the most common amino acids in proteins, and is also an important constituent of bone tissue.

Collagen is the most abundant protein in the body, and is the primary structural component of the extracellular matrix in animal tissues.

Collagen is a fibrous protein which is typically derived from the breaking down of connective tissue.

It has also been found that collagen is an important constituent of bone tissue, and the concentration of hydroxyproline is believed to be a measure of the amount of bone in the body.

You can find some benefits of consuming hydroxyproline in Hydroxyproline: 2 Research-Backed Benefits .

Foods You Can Find Hydroxyproline In

You find Hydroxyproline mostly in poultry, fast food, and pork products.

Examples of food sources include

Foods That Contain Hydroxyproline 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 Hydroxyproline, we recommend you visit our tool.

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

Sara Niemelä

co-founder Care Omnia, Head Content Creator

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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.