Thie NM, Prasad NG, Major PW. Evaluation of glucosamine sulfate compared to ibuprofen for the treatment of temporomandibular joint osteoarthritis: a randomized double blind controlled 3 month clinical trial. Journal of Rheumatology. 2001;28(6):1347–1355.

Uebelhart D., et.al.. Effects of oral Chondroitin Sulfate on the progression of knee osteoarthritis: a pilot study. Osteoarthritis & Cartilage, (1998) May;6 Suppl A:39-46. doi: 10.1016/s1063-4584(98)80011-3.

Yao Pang, et.al., Vitamin D and Calcium for the prevention of fracture. A systematic review and meta-analysis. JAMA Network Open. 2019;2(12):e1917789. (DOI:10.1001/jamanetworkopen.2019.17789)

Deiana M., et.al.. Physical Activity Prevents Cartilage Degradation: A metabolomics study pinpoints the involvement of Vitamin B6.Cells (2019), 8, 1374; doi:10.3390/cells8111374