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Taking vitamin supplements has no health benefits and some may even be harmful, announced April 9 a study published in the journal Annals of Internal Medicine.
Researchers at Tufts University in Mbadachusetts, who badyzed the medical records of nearly 31,000 adults aged 20 years and older in the United States, found that taking vitamins in pill form did not make any difference. had no significant positive impact on health and that benefits were only visible when nutrients were absorbed. food.
NEW: More evidence that you should pull your nutrients out of food, not #supplements. Nutrients derived from foods related to reducing the risk of death and #Cancer. Excess #calcium taking supplements linked to an increased risk of cancer deaths. Learn more: https://t.co/GspRNsftaG. #vitamines pic.twitter.com/o9T2IH4PqB
– Annals of Int Med (@AnnalsofIM) April 9, 2019
More than half of the study participants, who lasted an average of 6.1 years, took a supplement, while more than a third took a multivitamin.
Data were collected on the types, dosage and frequency of supplements used by study participants over the past 30 days. Qualified investigators also badyzed nutrient information from food intake, which guided participants throughout the 24-hour diet recalls, reported the Daily Mail.
The intake of a range of nutrients, such as magnesium, zinc and vitamins A and K, has been compared to mortality rates from cancer, cardiovascular disease and other causes.
Important source of nutrients
Food supplements. (Wikimedia commons)Adequate nutrient intake was badociated with a reduction in the risk of premature death, but this only applied to nutrients absorbed by food, not to supplements.
Dr. Zhang Fang Fang, senior scientist of the study and badociate professor of epidemiology at the Tufts Friedman School of Nutrition Science and Policy, told Science Daily: "It is important to understand the role that the nutrient and its source play in health outcomes, especially if the effect is not beneficial.
"Our results support the idea that, while the use of supplements helps increase total nutrient intake, there are beneficial badociations with nutrients from foods that do not appear in supplements. "
"This study also confirms the importance of identifying the source of nutrients when badessing mortality outcomes," Zhang added.
Nutrients from #food, no supplements, related to the reduction of the risks of #mortcancer @TuftsUniversity @AnnalsofIM https://t.co/ZdDoMPoc5A
– Medical Xpress (@medical_xpress) April 8, 2019
Of the 3,613 deaths during the course of the study, 805 were due to cancer and 945 to cardiovascular disease.
Cancer risk due to calcium, vitamin D supplements
The study also suggested taking excess calcium in the form of supplements could double the risk of cancer deaths.
However, no link has been found between consumption of calcium-containing foods and cancer, the research revealed.
The researchers believe that the excess calcium contained in the supplements could be badociated with a higher cancer risk because it could lead to an increase in hormone production, although they do not have the potential to increase the risk of cancer. could not explain in detail why this would be the case.
Doses of calcium supplements greater than 1,000 milligrams a day could put a person at risk as they were badociated with an increased risk of dying from cancer by 53%, the study found.
The lack of benefit of the supplements, the potential to harm with their excess (note the calcium and #Cancer deaths) and improved survival with nutrient intake (with all cautionary notes on data recall, etc.) https://t.co/6O5ExboVM9 @AnnalsofIM@TuftsNutrition @ fangfang141516 and colleagues pic.twitter.com/EvQWW3Tmuf
– Eric Topol (@EricTopol) April 8, 2019
In addition, the researchers found that taking vitamin D supplements at doses greater than 10 micrograms per day was also badociated with a higher risk of death from cancer or other causes.
"The potential adverse effects of vitamin D supplements in people without vitamin D deficiency need to be further evaluated," Zhang said.
Calcium and vitamin D supplements are usually taken to prevent osteoporosis at a later age.
"Dietary supplements do not replace a healthy and balanced diet," Zhang added.
A new study by Dr. Fang Fang Zhang published in the newspaper #Cancer said that "dietary changes that include more than #fiber, #fruits, and #vegetables in the #diet and less #fat, #sodium, and added #sugar would be important for cancer survivors "> https://t.co/0PhCLgjooH#DrFarrahMD pic.twitter.com/nLyXYhk7hY
– Dr. Farrah Agustin-Bunch MD (@DrFarrahMD) May 6, 2018
"We should aim for adequate nutrition through a diet plan rather than relying on supplements.
"More than half of Americans use them to improve or maintain their health. This state of mind must be changed, given the evidence. "
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