How Long It Takes To Cure Knee Pain And Stiffness?

Hi, may I answer your health queries r Please type your ight now ? query here...i.VE TAKEN TWO CAPSULES A DAY NOW FOR JUST OVER TWO WEEKS. NOTICE A REDUCTION IN KNEE PAIN BUT KNEE STILL STIFFENS UP WHEN SIT TO LONG. ALSO, FEEL LIKE KNEE SHIFTS SOMETIMES? WHAT IS THE TIME FRAME FOR CLOSE TO NORMAL FEELING IN THE KNEE???