Joint Collagen Peptides - PoudreFortigel Bioactive Collagen Peptides have the size (3kDa) and sequence to specifically target collagen receptors in joint chondrocytes Clinically proven to reduce pain in people with osteoarthritis and those with activity related joint pain Collagen makes up 70% of the body's cartilage. This specific peptide powder is formulated to regenerate cartilage by stimulating collagen synthesis directly in the articular cartilage. How? Joint Collagen Peptides