You could have her try tablets of Glucosamine/Condroitin/MSM 2 in the morning and 2 at night, with some food. There are also a number of other supplements that can help general physical health. I was already taking a number of them/ Then when I was 82 I hurt my knee crawling out a small window to fix the roof. I bent my knew too tight and felt a pop. It hurt a lot, but I added the GCM and in a year my knee was good as new. I am 86 now.
Do you recommend a brand of Glucosamine/Condroitin/MSM 2?