I heard about the fish oil may be could ease joint pain,you can try it,but I think do some exercises would be better.


http://www.03br.com/Treatments/2011/About-Joint-Pain-s-Supplements-which-would-be-best.html

Choosing shoes is the key,I think serveral tips that should be attention,

•Check the shoes right out of the box. Put the shoes on a flat surface and hold the top of the shoe while rocking it in and out. The shoes should remain even and should not roll. If they are new and they roll, they won’t stop your foot from rolling from side to side, and may buckle during use causing an injury.
•Is the heel counter straight? The small stitched rectangular area in the back of the shoe should be straight and sturdy when you hold both shoes at eye level.
•Be sure that the midsole of the shoe is securely glued into the uppers. To test it, hold the shoe, and try to separate the uppers from the midsole of the shoe. If it pulls apart at all, and it is brand new, it has a defect.