Assertion: magnesium's effect | /r/HasProperty | seen at higher doses
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text: Oral supplementation with magnesium (mean dose of 410 mg/day; range of 120 to 973 mg/day) for a median period of 11.3 months significantly reduced systolic blood pressure by 2 to 3 mm Hg and diastolic blood pressure by 3 to 4 mm Hg (110); a greater effect was seen at higher doses (≥370 mg/day).