Q&A: What Organ Produces Collagen?

UPDATED LAST ON

April 14, 2025

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What organ creates collagen in the human body? Stomach? Heart? Liver? Brain? The answer is not what you think — and Dr. Cate M.D. helps us explain it.

Question

What organ produces collagen?Jimmy

No organ produces collagen.

It’s all about the fibroblasts.

Fibroblasts are cells that live in all of our connective tissues that are dispersed throughout the body. Because they make collagen, and collagen holds all our cells together, fibroblasts are the unsung heroes of multicellular life. But more than that, because athletes need strong ligaments and joints, they’re really the unsung heroes of athletic competition.

Fibroblasts are dispersed throughout the body and it’s their job to make collagen for all of our connective tissues, including skin, bone, ligament, and tendon.

Sorry organs, the fibroblasts have this one. 🙂

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This Collagen College™ article researched & curated by:

Author

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Dr. Cate

Dr. Cate Shanahan is our Medical & Scientific Advisor. She is a Board-certified Family Physician, biochemist trained at Cornell University, and New York Times Bestseller.

Contributors

Eric Sharp CMO

Eric Sharp

Eric discovered collagen back in 2019 (thanks to Charlie) and been a believer since. He brings 20+ years of digital marketing experience to the CB Supplements team. As CMO, he's directly responsible for crafting the CB Supplements positioning, content, branding, and overall marketing direction.

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