Multivitamin use linked to slower biological aging in older adults

A new analysis from the COSMOS study, a randomized, double-blind, placebo-controlled trial involving 21,442 older adults in the United States, suggests that daily multivitamin use may influence biological markers. Researchers analyzing blood samples from participants with an average age of 70 found that after two years, the multivitamin group showed higher levels of DHA and total omega-3 fatty acids, despite the supplement itself not containing these nutrients.

Furthermore, the multivitamin group exhibited a slower rate of aging according to seven different metabolomic clocks, which estimate biological age based on blood substance patterns. The estimated difference in aging was between 0.5 and 1.1 years over the two-year period. The study also noted a less pronounced increase in creatinine levels, which may indicate a more favorable trend in kidney function assessment.