Chart of Vitamin D levels vs disease - Grassroots Health Created June 2013 On this page Graphed by Vitamin D Life from Grassroots Data Shown at Vitamin D WorkshopPDF is attached at the bottom of this page Here is a previous versionSee also Vitamin D LifeMore than 30 ng of vitamin D probably needed for long-latency diseases – Aug 2012Grassroots Health participants Vitamin D vs age, intake, and resulting level – Sept 2013Vitamin D charts from GrassrootsHealth - May 2016Short URL = https://is.gd/GRH2013 Tags: Health Problem Optimum