collagen
noun
col·la·gen
ˈkä-lə-jən 
: any of a group of fibrous proteins that occur in vertebrates as the chief constituent of connective tissue fibrils and in bones and yield gelatin and glue upon boiling with water
Examples of collagen in a Sentence
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Add Collagen-Boosting Foods Incorporating foods that naturally contain collagen or its building blocks (cofactors) into your diet is an easy way to boost the effects of your collagen supplement.
—
Megan Nunn,
Verywell Health,
1 July 2026
Other emerging supplements include ashwagandha, elderberry, collagen, hyaluronic acid, probiotics and prebiotics, according to the research.
—
Angelica Stabile,
FOXNews.com,
30 June 2026
Other supplements come in gelatin capsules, made from collagen derived from cow and pig bones and hides, or mixed with dairy binders such as lactose and sodium caseinate.
—
Burkhard Bilger,
New Yorker,
29 June 2026
There’s scepticism around how effective supplements and vitamins like magnesium and collagen actually are, experts and nutritionists previously told CNBC.
—
Sawdah Bhaimiya,
CNBC,
28 June 2026
See All Example Sentences for collagen
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Megan Nunn,
Verywell Health,
1 July 2026
Other emerging supplements include ashwagandha, elderberry, collagen, hyaluronic acid, probiotics and prebiotics, according to the research.
—
Angelica Stabile,
FOXNews.com,
30 June 2026
Other supplements come in gelatin capsules, made from collagen derived from cow and pig bones and hides, or mixed with dairy binders such as lactose and sodium caseinate.
—
Burkhard Bilger,
New Yorker,
29 June 2026
There’s scepticism around how effective supplements and vitamins like magnesium and collagen actually are, experts and nutritionists previously told CNBC.
—
Sawdah Bhaimiya,
CNBC,
28 June 2026
See All Example Sentences for collagen
Cite this Entry
“Collagen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collagen. Accessed 5 Jul. 2026.
Copy CitationKids Definition
collagen
noun
col·la·gen
ˈkäl-ə-jən
: a protein that occurs in the form of fibers, does not dissolve, is found in connective tissue, and forms glue and gelatin upon boiling with water
Medical Definition
collagen
noun
col·la·gen
ˈkäl-ə-jən
: an insoluble fibrous protein of vertebrates that is the chief constituent of the fibrils of connective tissue (as in skin and tendons) and of the organic substance of bones and yields gelatin and glue on prolonged heating with water
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