When it comes to the prevention ofvitamin and mineral supplements are likely a waste of money, concludes a new research report.
The findings, published on May 28 in the Journal of The American College of Cardiology largely confirm what is already known: supplements may be popular, but in most cases there is no evidence that they protect against heart disease.
There was one exception, researchers said. A recent clinical study in China found that folic acid supplements helped curb participants'.
However, it is not clear whether the same benefits are expected in countries with folic acid added to cereal products, and people generally have adequate levels of B vitamin. It is found infruits, dried beans, peas and nuts.
The quintessence? "Eat a healthy diet and do not rely on supplements." David Jenkins, who led the review.
"There are great health benefits from a primarily plant-based diet," said Jenkins, professor of nutritional science at the University of Toronto. "In my opinion, that's the way to go."
Dr. Andrew Freeman, a cardiologist who was not involved in the research, agreed.
"If you eat a healthy diet with plant-based foods, you're likely to get all the nutrients without supplements," said Freeman, a member of the American Leadership Council for Cardiovascular Diseases of the American College of Cardiology
"Taking All These Supplements," he added, "just makes your urine very expensive." In addition, Jenkins says, there is scientific evidence to suggest that certain diet patterns lower the risks of heart disease and stroke.
The latest version of the US Food Policy recommends three diet patterns to protect cardiovascular health: the traditional Mediterranean diet; a vegetarian diet; and the so-called "healthy American" diet, which is heavy in red meat and heavy on fruits and vegetables.
What all three have in common, Jenkins said, is an emphasis on plant nutrition and restrictions on things like red meat and sugar: that means a lot of fiber-rich cereals,legumes and nuts, fish (in the non-vegetarian diets) and "good" unsaturated fats from sources such as olive oil [1
If researchers have to put it to the test, the supplements had no consistent effect on the risks ofStroke or other cardiovascular complications that found review ..
Meanwhile, studies have potential risks with some other supplements uncovered. In 21 studies with antioxidant mixtures, participants actually had a slightly increased risk of dying during the study period. The same is true of several studies in which the B vitamin niacin was tested, found the team of Jenkins.
On the other hand, there is evidence thatmight help to reduce
This result comes from a 2015 study in China in which the Supplements reduced the risk of stroke in middle-aged and older adults by about 20 percent (19659002). However, the study was conducted in one place without folic acid supplementation in the food supply. If people already have adequate amounts in their diet, Freeman said supplements could not help.
In general, Freeman noted, research in supplements' disease-preventing abilities was disappointing. It often begins with studies that show that people who consume certain foods or nutrients have a lower risk for a particular disease. But then, when supplements of this nutrient are tested, they show no benefit.
"In general, when we isolate the nutrient from the matrix of food, we do not do it justice," said Freeman.
So The key message is to eat whole foods. But, Freeman stressed, "Do not just add vegetables to your cheeseburger – replace the junk with vegetable foods."