Their research revealed that vitamins A and K, magnesium, zinc and copper were associated with a lower risk of death from heart disease or stroke – but only when they came from food.
The coauthor, Fang Fang Zhang, associate professor of epidemiology at the Friedman School of Tufts University for the science and policy of nutrition, says that obtaining food in sufficient quantities from food was associated with a longer life.
In fact, according to Zhang, some supplements even appear to pose health risks. People who took high doses of calcium supplements had a 53% higher risk of cancer death than those who did not take it.
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However, if you have been diagnosed with a deficiency of certain nutrients, do not stop taking it without first discussing it with your doctor.
The research team used data from 30,000 US adults who participated in a national health and nutrition review survey conducted from 1999 to 2010.
The research was published in the Annals of Internal Medicine.