your magnesium supplement is mostly oxide form. This is not appreciably absorbed from the GI tract. I'd suggest using another that is only a chelate,
with NO oxide.
If magnesium is over balanced by calcium you can have twitching. This may be happening to you...too much calcium in relation to mag.
I'd quit both, and see what happens. Then start a new mag and then later add the calcium. If you do one at a time, you can see the effects more clearly.
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Weezie looking at petunias 8.25.2017
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