Drat! I've just bought a calcium/magnesium supplement, partly because I was worried I would not be able to absorb B12 without the calcium (because of the metformin.) Now I am paranoid....
I can't help but wonder whether magnesium deficiency isn't an effect of insulin resistance, rather than a cause, which then makes the IR worse...interesting that such high doses were mentioned. Hah! I think calcium makes me tired too. |