I had years of shoulder problems around menopause time.
So bad I could barely get dressed, only sleeping 2 or 3 hours at a time. Xray apparently showed calcific tendonitis (I wasn't allowed to see it, despite being a retired medic). Doctor suggested surgery which was known to make things worse 25% of the time, and when I refused the operation on those grounds any further help dried up. I went through everything that others have suggested - magnesium, Vitamin D, numerous other supplements, physio, acupuncture, etc.
One day I stumbled across an American article describing a link between severe frozen shoulder in menopausal women and deeply-buried emotional trauma from childhood. Sounds "woo - hoo" if you are not open to that sort of thing, the premise was that trauma was "held" in deep muscles such as glutes, psoas.
Woo hoo or not, it struck a huge chord with me. I started doing a lot of yoga stretches to work on those deep muscles and in a rather "as if by magic" way, by working on my lower trunk and pelvis, the shoulder eased up.
Once I was getting enough sleep to function, I started dealing with the realisation that I had not just had an "unhappy" childhood, but that it had been extremely abusive. One of those "But we took you to country houses" experiences . . .
Long story short, cannot remember the last time my shoulder gave me any trouble . . .