Propeptide Type I Collagen
This test measures a byproduct of type I collagen formation in your body—the main structural protein in bone, tendon, and ligament. It helps assess bone turnover rate and connective tissue remodeling, which is useful for evaluating bone health, monitoring recovery from injury, or tracking changes in musculoskeletal status.
Athletes use this marker to gauge bone and tendon adaptation to training load. Elevated levels may indicate increased collagen synthesis (potentially positive remodeling in response to training) or excessive breakdown (suggesting insufficient recovery or overtraining). It's particularly relevant for endurance athletes and those in high-impact sports, where monitoring bone and connective tissue stress helps optimize training and injury prevention.
Turnaround Time
3 days (up to 9 days)
Fasting Required
No
Order online
Choose your lab and check out. We send your lab requisition automatically — no doctor visit needed.
Get your sample collected
Visit a lab service center near you for a quick blood draw (or book at-home phlebotomy where available).
See your results
Your results land in your Insider portal, ready to review and act on — that easy.
Your price
$120.00$360
3.0× less than retail
Versus the typical direct-to-consumer retail price for this test (illustrative — consumer prices vary by provider and region).
$120.00
Peer-reviewed sources supporting the educational content on this page.