“Improves memory” sharpens ability to focus”
These are just some of the claims you may read about the supplements that 25 percent of adults over age 50 take to keep their brain capacities efficient. But do these products work ?
It is not often clear since the FDA does not require manufacturers d prove its efficacy, nor are statements about efficacy against specific diseases required.
Here’s what experts know or don’t know about these widespread and popular products.
