Magnesium may reduce blood pressure by relaxing the blood vessels and counteracting damage to them
However, research is conflicting on how much it can reduce blood pressure, and the ideal form and dosage of the supplement are yet to be determined.
As with other vitamins and minerals, food should be your primary source of magnesium whenever possible
Taking too much magnesium through supplements can cause side effects, some severe.
In the United States, the Food and Drug Administration (FDA) does not regulate dietary supplements the way it regulates prescription medications
As a result, some supplement products may not contain the ingredients listed on the label.
The National Sanitation Foundation (NSF), United States Pharmacopeia (USP), or ConsumerLab.
Blood pressure is raised when blood vessels become stiff and constricted. Magnesium is believed to help lower blood pressure