Impact of Specific Bioactive Collagen Peptides on Joint Discomforts in the Lower Extremity during Daily Activities: A Randomized Controlled Trial

Claas Schulze, Michael Schunck, Denise Zdzieblik () and Steffen Oesser
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Claas Schulze: Practice of Surgery Bad Schwartau, Am Kurpark 1, 23611 Bad Schwartau, Germany
Michael Schunck: CRI, Collagen Research Institute, Schauenburgerstr 116, 24118 Kiel, Germany
Denise Zdzieblik: CRI, Collagen Research Institute, Schauenburgerstr 116, 24118 Kiel, Germany
Steffen Oesser: CRI, Collagen Research Institute, Schauenburgerstr 116, 24118 Kiel, Germany

IJERPH, 2024, vol. 21, issue 6, 1-13

Abstract: The intake of specific collagen peptides (SCPs) has been shown to decrease activity-related knee pain in young, physically active adults. This trial investigated the effect of a 12-week SCP supplementation in a wider age range of healthy men and women over 18 years with functional knee and hip pain during daily activities. A total of 182 participants were randomly assigned to receive either 5 g of specific collagen peptides (CP-G) or a placebo (P-G). Pain at rest and during various daily activities were assessed at baseline and after 12 weeks by a physician and participants using a 10-point numeric rating scale (NRS). The intake of 5 g SCP over 12 weeks significantly reduced pain at rest ( p = 0.018) and during walking ( p = 0.032) according to the physician’s evaluation. Participants in the CP-G also reported significantly less pain when climbing stairs ( p = 0.040) and when kneeling down ( p < 0.001) compared to the P-G. Additionally, after 12 weeks, restrictions when squatting were significantly lower in the CP-G compared with the P-G ( p = 0.014). The daily intake of 5 g of SCP seems to benefit healthy adults with hip and knee joint discomforts by reducing pain during daily activities.

Keywords: pain; daily activities; collagen peptides; numeric rating scale (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2024
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