Daily Multivitamin Slows Aging by 4 Months in New Study

Scientists just discovered that a habit millions already practice could be a key to aging more slowly. A two-year study of nearly 1,000 healthy older adults found that taking a daily multivitamin slowed biological aging by roughly four months.

The research, published in Nature Medicine, tracked participants with an average age of 70. Scientists measured their biological age using five different biomarkers called "epigenetic clocks" that reveal how cells are aging at the DNA level.

Biological age measures how your cells are aging, which often differs from the number of candles on your birthday cake. Some 60-year-olds have the cells of a 50-year-old, while others might show biological signs of being 70.

The study divided participants into four groups, with some taking multivitamins, others taking cocoa extract, some taking both, and others taking placebos. Blood samples revealed that multivitamin users showed slower aging across all measured biomarkers.

The biggest benefits appeared in people whose biological age was already older than their chronological age. These participants saw improvements in the two biomarkers most strongly linked to longevity.

"There is a lot of interest today in identifying ways to not just live longer, but to live better," said senior author Howard Sesso, associate director of the Division of Preventive Medicine at Mass General Brigham. The study opens doors to learning more about safe, accessible interventions for healthier aging.

Why This Inspires

This research offers hope because it centers on something incredibly simple. No expensive treatments, no complicated protocols, just a daily multivitamin that many people already take.

Dr. Marc Siegel, Fox News senior medical analyst, called the results "scientific and significant." Scientists aren't yet sure which component of multivitamins creates the anti-aging effect, whether it's biotin, zinc, vitamin D, magnesium, or another ingredient entirely.

The team is now planning follow-up research to see if the aging slowdown continued after the trial ended. They'll also explore whether these biological changes translate to real health outcomes like lower disease risk or longer lifespan.

Additional studies will investigate other potential benefits of daily multivitamins, including improved cognitive function and reduced cancer risk. The research was funded by the National Institutes of Health.

For the millions who already take multivitamins without knowing the specific benefits, this study offers the first concrete evidence that those daily pills might be adding quality months to our lives.