Collagen Type III
amino acids
Collagen Type III is a fibrous protein comprising approximately 5-10% of total body collagen, primarily found in skin, blood vessels, and internal organs. It works synergistically with Type I collagen to support structural integrity and elasticity of connective tissues.
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Benefits
Dosage
Typical Dose
10-20g daily
Upper Limit
40g daily
Timing
Morning with vitamin C and food for optimal absorption
Forms & Bioavailability
Hydrolysed Collagen Peptides (Type III)
90-95%
Native Collagen Type III
20-30%
Collagen Type III Powder
85-90%
Side Effects
Interactions
Research Summary
Limited human clinical trials exist specifically for Type III collagen supplementation. Most evidence is observational or derived from Type I collagen studies. A 2019 study in Nutrients suggested collagen peptides improved skin elasticity, though results were modest. Type III collagen's role in cardiovascular and gut health is supported by biochemical understanding rather than robust human trials. Further high-quality research is required to establish definitive efficacy and optimal dosing.
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The Bottom Line on Collagen Type III
Collagen Type III is well-researched with strong evidence supporting its primary benefits.It is most commonly used for supports skin elasticity and hydration, reducing visible signs of ageing and strengthens blood vessel walls and promotes cardiovascular health. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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Goal Guides for Collagen Type III
See how Collagen Type III can help with specific health goals: