From USA Today Aug 2011

Survey of 1000 people of Functional Foods by Cogent Research

-The nutrients and components considered most important by Americans

1. calcium (92%),
2. vitamin D (90%),
3. protein (87%),
4. B vitamins (86%),
5. omega-3 fatty acids (85%),
6. probiotics (81%) and
7. fiber (79%).

See also VitaminDWiki

• Probiotics increased vitamin D levels 22 percent in those with excess cholesterol – April 2013