Multivitamins do next to nothing for longevity, a new meta-analysis from the Journal of the American College of Cardiology reports. Researchers looked at 179 studies conducted between 2012 and 2017 and found that there was no conclusive evidence that multivitamins helped benefit heart health.

This could be because the modern diet is much more diverse and healthy than it has ever been, and that individualized dietary concerns and their respective vitamins could help.

“Our review found that if you want to use multivitamins, vitamin D, calcium, or vitamin C, it does no harm—but there is no apparent advantage either,” David Jenkins, a nutritionist at the University of Toronto and St. Michael’s Hospital, said in a statement. Read more at QUARTZ.