Odds Are You Need Additional Vitamin D, and Cod Liver Oil is Not Sufficienthttps://blogs.mercola.com:443/sites/vitalvotes/archive/2003/12/27/Odds-Are-You-Need-Additional-Vitamin-D-and-Cod-Liver-Oil-is-Not-Sufficient.aspxAccording to the world?s foremost medical expert on calcium and vitamin D, Professor Heaney (also see bio below) , of all the nutrients associated with chronic disease, none have the potential payoff of vitamin D. Dr. Heaney says that 25-hydroxyvitaminenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)