My mother is suffering from knee joint paint at the back side of joint , X-ray reports shows that it's a deficiency of grease lubricants in knee joint . Currently she is taking pain killers as per the doctor prescription and doing normal exercises as recommended . Any suggestions or any medicine recommendations so that she gets any relief as she is suffering from immense pain while walking and this problem she is facing from last 1 month Some advise that omega 3 fish oil capsules will be good in this scenario . Can I go fro that Please suggest