"Recently, USC took it one step further as it evaluated Vitamin D levels in its athletes and added a breakfast item for student-athletes that seems a bit out of the norm -- Frosted Flakes."
http://espn.go.com/blog/pac12/post/...-to-help-vitamin-d-levels-in-student-athletes
http://espn.go.com/blog/pac12/post/...-to-help-vitamin-d-levels-in-student-athletes