Case studies has shown improvement in athletes with joint pain treating with nutritional supplementation of collagen hydrolysate that contains bioactive collagen peptides.
ijcri_201706ab_full_issue (pg 364-369)
Article source:
Gonçalves FK. Impact of collagen hydrolysate in middle-aged athletes with knee and ankle osteochondral lesions: A case series. Int J Case Rep Images 2017;8(6):364–369.