NBC NEWS -People may be taking dietary supplements that have no added health benefits.
Researchers studied data from roughly 300 nutritional studies involving nearly a million people. Those who reduced salt intake were associated with a lowered risk of suffering an early death. Omega-3 fatty acids offered protections against heart disease and heart attacks, while folic acid helped protect against strokes.
However, Calcium plus Vitamin F intake was linked to an increased risk for stroke. Multivitamins, Selenium, Vitamins A, B-6, C, E, or D, Calcium, Folic acid or Iron, had no added benefit when it came to the heart.