Thanks everyone!
Doing fine now. I was in stress overload with the floods here and then it looked as if I would have to move out when the home I live in was sold, and my neighbour's mother died after terribly long illness (and chosing not to take treatment) and I took over some caring of my neighbour because her husband was away and none of her friends or other family seemed to realize how awful it was for her to go this terrible time.

etc. etc. etc.

Pure stress overload. I look back on all those months and realize how much better I feel now.

I did increase all my B vits and added some calc/mag., and now that I am less stressed the fasciculations and cramps have stopped.

p.s. I don't drink softdrink/soda at all. The tonic water I bought because the temperature was in the 90s and the humidity was in the 90s - plus, it was a very long, wet, hot, humid summer here in Australia where I live.