If a daily multi-vitamin mineral pill is taken, it may be best to just use a basic brand with as many essential ingredients as possible, but not much higher than the RDA DRI, despite the fact that this may also not provide optimal amounts of nutrients. The reason is simply that no brand is able to provide all essential nutrients in their optimal configuration for an individual, so mega dosages not only create the potential for side effects, but also the possibility of creating ratio-induced pseudo-deficiencies of any nutrients left out... Full Text