01/10/2026
Here are the main types
Type I Collagen
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• What it is: The most abundant protein in the body, making up about 90% of your total collagen.
• Where it is found: Skin, bones, tendons, ligaments, and teeth.
• What it does: Provides dense packing, stretch resistance, and structural strength to connective tissues.
• Common sources: Marine (fish) and bovine (cattle) sources.
Type II Collagen
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• What it is: The main component of elastic and articular cartilage.
• Where it is found: Joints, ears, nose, and the respiratory tract.
• What it does: Acts as a shock absorber and offers flexibility and smooth movement in joints.
• Common sources: Chicken cartilage.
Type III Collagen
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• What it is: A supportive, branching fiber that frequently coexists alongside Type I.
• Where it is found: Muscles, blood vessels, intestines, and internal organs.
• What it does: Maintains elasticity and structural integrity in extensible soft tissues, playing a key role in early wound healing.
• Common sources: Bovine (beef) and porcine (pork) sources.
Other Notable Types
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• Type IV: Forms the thin layers of basement membranes that stabilize underlying cell structures in your skin and organs.
• Type V: Found in hair, the placenta, and the corneas of the eyes.
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