My mother has facing knee pain since one year.recently she visited orthopedic doctor.after xray diagnosis he told that low gum in the knee.so he suggested collado G sachets for 3 months.she has been using for 2 and half months but there is no use.she is feeling the same pain.she is taking those sachets with full glass approx 200 ml of water.is it ok or should we take those sachet only 100 ml of water which is labelled on the sachet.we cannot understand the cause.please help.how to use and when to use those sachets