Dietary Supplements Don't Help People Live Longer

Vitamins from Food — Not Supplements — Linked with Longer Life

"As potential advantages and damages of enhancement use keep on being contemplated, a few investigations have discovered relationship between overabundance supplement consumption and unfriendly results, including expanded danger of specific malignant growths", said Fang Zhang, partner educator at Tufts University in the US.

The study used data from more than 27,000 USA adults ages 20 and older to evaluate the association between dietary supplement use and death from all causes, cardiovascular disease (CVD), and cancer.

Debate as to their effectiveness has raged for years with many studies showing a supplement does not mirror the effects of when taken naturally.

Moreover, during those six years of study, 3,613 participants had died.

The researchers had a keen observation on the death rates, which were related to intake of foreign Supplements.

When Zhang and her colleagues first started examining the data, it looked as though dietary supplements were associated with a lower risk of early death, she says, according to Time. One last advice, focus on taking as a supplement only the calcium or the minerals that are missing from your diet. But there was no link between intake of calcium from food and risk of death from cancer. On the other hand, supplements do not appear to have increased the risk of death in people who lacked vitamin D in their normal diet. For each nutrient, the daily supplement dose was calculated by combining the frequency with the product information for ingredient, amount of ingredient per serving, and ingredient unit. Though some nutrients have been linked to lower mortality risk in general, you'll need to get those nutrients from actual food, not pills and powders, to reap the benefits. Mortality outcomes were obtained for each participant through linkage to the National Death Index through December 31, 2011, using a probabilistic match.

But a study found taking supplements has little effect and only nutrients found in foods can lower your chances of death. There was no association between dietary supplement use and a lower risk of death.

According to a report in PTI, the research found that supplemental doses of calcium exceeding 1,000 milligrams per day were associated with a lower risk of death, while adequate intakes of vitamin A, vitamin K, and zinc were associated with a lower risk of death from cardiovascular diseases. However, this link requires further investigation to be definitively proved as a positive association.

Limitations in the study were acknowledged, which included the duration of dietary supplement use studied, as well as the fact that the prevalence and dosage of supplements were self-reported, leaving the study open to recall bias.

"Our results support the idea that, while supplement use contributes to an increased level of total nutrient intake, there are beneficial associations with nutrients from foods that aren't seen with supplements", said Zhang.

"This study also confirms the importance of identifying the nutrient source when evaluating mortality outcomes".

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