When diet isn't enough, supplements can help.
Can taking extra vitamins, minerals or herbs make you healthier? Many of us think so: More than half of adults in the USA take one or more dietary supplements every day.
Multivitamins are most popular. A government report says such vitamins are used by nearly 40% of Americans.
For some people - such as those who are dieting, vegan, pregnant or just don't eat a nutritious variety of foods - supplements may help fill nutrient gaps; for others, the additions to their daily regimen may lead to an overconsumption of certain nutrients, which …