All of these can prematurely age your skin
Oral collagen peptides Collagen peptides are widely sold as supplements and have the most accessible evidence base of the peptides discussed for knees
The trade-off is that the carrier is a large addition to the matrix: it changes the background in protein assays, interferes with some analytical methods, and introduces its own lot-to-lot variability
GLPs also appear to have an effect on the immune system and inflammation
Therefore, clinicians should periodically reassess symptoms rather than assuming tolerance remains unchanged
Wuttke, W., Jarry, H., Haunschild, J., Stecher, G., Schuh, M., & Seidlova-Wuttke, D