My friend Charlie is back....

https://slrpnk.net/post/35738966

400mg of Mg daily fixes this.
Not for me unfortunately
Try different types. Or a mix, like this
Types of Magnesium and Their Benefits

If you have a magnesium deficiency, a supplement may help. Learn the 10 types of magnesium — and what to use each for.

Healthline
yes, have done all the above
Check your blood then. Maybe you have an iron deficit / anemia.
I’ve had it all checked and redo it all once a year. No deficiencies.
You are a professional driver then 😀
I think I’m just getting old and walk a lot without enough stretching. If I stretch every day I don’t have the problem .