Turmeric (curcumin) to lower the inflammation if your joints hurt.
Glucosamine and chondroitin keep joints hydrated and lubricated.
Collagen to generate and repair cartilage in your joints.
Omega-3 fatty acids such as salmon or fish and krill oil to reduce inflammation and increase synovial fluid production, which lubricates and protects your joints.
Food rich in antioxidants (veggies, fruits, berries, spices, ginger, green tea) to protect joint cells.
Sea fish, nuts, and seeds rich in Omega fatty acids protect joints from inflammation.
Enough water to protect joints from dehydration which leads to cartilage degradation.