You need some strong antioxident like grapeseed or reservatol that were proven to stop the joints catabolic enzymes and antiinflammatory to progress
Tumeric also is considered a solution, 500mg twice a day
the lube thing, more oil omega3 in diet, more proline/glycine,Gelatin to promote collagen and synovial fluid production and joint maintenance.
Glucosmine /chondrotin can work, but they may raise blood glucose and blood pressure, the same goes for mega dose of shark cartildge and egg cell memberane
Bosweila extarct helped some in improving joint flexibility and reducing joint damage.