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Multivitamins Increase Risk of Early Death

Jan 24, 2026 January 24, 2026 2 min read 📰 Radio Farda
📋 Key Takeaway

A study by American researchers indicates that daily multivitamin use may increase the risk of early death rather than extend lifespan. The research analyzed nearly 400,000 adults over two decades, revealing a 4% higher mortality risk among regular users. This finding challenges the common belief that multivitamins are beneficial for health.

🔍 Quick Context Guide
💡 Bottom Line: New research suggests that multivitamins may not only be ineffective but could also pose health risks.

👥 Key Players

Dr. Erica Laughton MENTIONED
Lead researcher at the National Cancer Institute
"Her research challenges the widely held belief in the health benefits of multivitamins."
Dr. Neal Barnard MENTIONED
Professor of medicine at George Washington University
"His commentary supports the study's findings and promotes dietary changes over supplementation."

📰 What Happened

A study found that daily multivitamin use may increase the risk of early death, contrary to popular belief. The research analyzed data from nearly 400,000 adults over two decades, revealing a 4% higher mortality risk among regular users.

  • The study was conducted by the National Cancer Institute and published in JAMA Network.
  • Participants were monitored for their multivitamin use and health outcomes over 20 years.

💡 Why It Matters

🇮🇷 For Iran: The findings may impact health recommendations in Iran, where multivitamin use is also common among adults.
🌍 Regional: Regional health policies may shift as more evidence emerges about dietary supplements.
🌐 International: The study could lead to a reevaluation of multivitamin consumption guidelines worldwide.

📚 Background

Multivitamins are widely consumed with the belief that they improve health and longevity, but recent studies have begun to question their benefits.

Dietary supplements Public health recommendations
📡 Source: NEUTRAL
📊 Confidence: 70%
The study is published in a reputable medical journal, indicating a high level of scientific scrutiny.

A comprehensive study conducted by American researchers shows that daily consumption of multivitamins not only does not help increase lifespan but may also increase the risk of early death. This research, carried out by scientists at the National Cancer Institute in the United States, examined the health of nearly 400,000 adults without serious long-term illnesses to determine the effects of multivitamins on their mortality rates over the next two decades. Contrary to expectations, individuals who regularly took multivitamins died slightly more than those who did not use these supplements during the study period. Researchers concluded that 'the use of multivitamins does not lead to improved longevity.' Dr. Erica Laughton and her colleagues at the National Cancer Institute in Maryland analyzed data obtained from three major health studies in the U.S. that began in the 1990s, monitoring participants' daily multivitamin use. According to Dr. Laughton, 'We found no evidence of reduced mortality risk from daily multivitamin use, and instead, a 4% higher mortality risk was observed in the early years among daily multivitamin users.' The consumption of multivitamins has increased globally among adults, with many taking them to improve their health. Previously, scientists had warned about regular multivitamin consumption, but earlier studies had conflicting results and were limited to shorter periods. These new findings, published in the JAMA Network, were conducted over a longer period with comprehensive demographic and lifestyle data to reduce the potential biases that might affect the results. Dr. Neal Barnard, a professor of medicine at George Washington University, whose opinion was published alongside this study in JAMA, states that vitamins are less beneficial than promised. Dr. Barnard recommends that instead of taking multivitamins, individuals should consume healthier foods, particularly fiber-rich nutrients, while simultaneously limiting saturated fats and high-cholesterol foods.

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Translated from the original and edited for English readers. View original source →

Translation confidence: 85%

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