Researchers have found that the consumption of certain vitamins, minerals and other dietary supplements may not be beneficial for the heart and may even be harmful at times. Supplements that combine Calcium and Vitamin D may be associated with a slightly higher risk of stroke, According to the study published in the Journal Annals of Internal Medicine.
“Our analysis carries a simple message. Although there may be some evidence that a few interventions have an impact on death and cardiovascular health, the vast majority of multivitamins, minerals and different types of diets had no measurable effect on survival or cardiovascular disease risk reduction,” said Safi U Khan, lead study author and assistant professor at West Virginia University.
The analysis showed possible health benefits only from a low-salt diet, omega-3 fatty acid supplements and possibly folic acid supplements for some people.
For the study, the researchers used data from 277 randomized clinical trials that evaluated 16 combinations of vitamins or other supplements and 8 diets with mortality or heart disease, including coronary heart disease, stroke and heart attack. They included figures compiled from 992,129 research participants around the world.
“The panacea or magic bullet that people keep searching for in dietary supplements isn’t there,” shared Erin Michos, senior author of the study from Johns Hopkins University School of Medicine in the US. “People should focus on getting their nutrients from a heart-healthy diet, because the data increasingly show that the majority of healthy adults don’t need to take supplements,” he mentioned.
According to Abhishek Singh, consultant cardiologist at Columbia Asia Hospital, dietary supplements do not have a measurably positive impact on cardiac health.
“It’s more important to follow a healthy dietary regimen and avoid foods that are bad for the heart. Trans fatty acids are harmful and have to be curtailed. Refined sugars and simple carbohydrates are to be kept at a minimum,” Singh stated.
He suggested that people should include more green vegetables in their diet. Such foods are rich in Vitamin K and dietary nitrates, which help protect the arteries and reduce blood pressure.
“Studies like this raise concerns about harm from calcium and Vitamin D supplement use. As far as Vitamin D supplements (without calcium) are concerned, there has been no evidence on whether it has any impact on cardiovascular disease risk reduction,” revealed Anupama Singh, senior consultant of Internal Medicine at Vimhans Nayati Super Specialty Hospital in New Delhi.
“The quality of the evidence base of these various nutritional supplements and dietary interventions still needs to be evaluated to ascertain the effectiveness of the study,” she concluded.
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