#multivitamins
"Taking a daily multivitamin prevents heart disease and cancer"
The largest trial found no cardiovascular benefit and only a modest cancer-incidence reduction in one group — a major guidelines review calls the evidence insufficient overall.
Myth
Do Multivitamins Actually Work?
A daily multivitamin is one of the most common supplements on earth. The trial evidence for what it actually does is much smaller than the market for it.
Meta-analysis