While magnesium deficiency is fairly common — estimates suggest that between 9% and 17% of adults, and up to 20% of teenagers, may have low magnesium levels — many people already get enough through diet. Foods like leafy greens, nuts, seeds, beans, and whole grains are rich sources of the mineral.
But despite the growing popularity of supplements, experts say that taking magnesium when you don’t need it is not only unnecessary — it can also cause uncomfortable side effects such as:
Diarrhea
Nausea
Stomach cramping
Vomiting
Continue reading…And if taken in very high doses, those mild symptoms can progress to more dangerous reactions like an irregular heartbeat or low blood pressure.
