A research group of doctors from the University of Copenhagen (Denmark) studied the results of 67 scientific studies on the effect of vitamins on the state of the human body. Based on them, they concluded that there is no convincing evidence to support the view that antioxidants help increase life expectancy. On the contrary, the researchers argue, vitamins A and E interfere with the body’s natural defense mechanisms. What’s more, beta-carotene, vitamin A, and vitamin E seem to increase the risk of premature death.
From 817 scientific studies in this area, they selected several dozen works on the effects of beta-carotene, vitamins A, C and E, and selenium. They, in their opinion, most objectively reflect the overall picture of the use of food additives.
It is believed that these supplements can prevent “oxidative stress” in body tissues by destroying the free radicals that cause it. “Oxidative stress,” in particular, is seen in some serious diseases, including cancer and heart disease. In total, 233,000 people, both sick and healthy, took part in the studies to be analyzed, but they all used nutritional supplements.
Taking into account various factors, as well as excluding another 20 studies from consideration, Danish scientists came to the conclusion that vitamin A increases the risk of premature death by 16%, beta-carotene – by 7%, and vitamin E – by 4%. Vitamin C does not appear to have any effect on longevity, and scientists say more research is needed on the effects of vitamin C and selenium. However, the researchers did not find any evidence that antioxidants contribute to disease prevention.
After reviewing the results of this study, the UK Department of Health has already issued a statement that you should try to get the necessary vitamins https://en.wikipedia.org/wiki/Vitamin from food and avoid taking nutritional supplements.
