You might trust your magnesium supplement. You shouldn’t. Independent labs have found heavy metals—lead, cadmium, arsenic—in several popular magnesium products. Small amounts. But dose after dose, they can build up. I learned that the hard way… A few years ago, I took a magnesium supplement that looked good—clean label, strong reviews, affordable. Then I read independent lab results. A similar product from a different brand tested positive for lead, cadmium, arsenic, and mercury. Not enough to make you sick overnight—but enough to build up over time. Magnesium is one of th...

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