I have bad achy legs at night and hours in the AM. It's not RLS. I am in Menopause. Any supplement that helps

I used to have terrible achy legs at nite. I was always using aspercream ,it did work . about 8 months ago my Dr. said my vitamin D level was low. I have been on 1000 mil a day . WALA... NO MORE LEG PAIN. I was in menopause too.