Interesting admission. There's been recognition of subclinical vitamin D deficiencies for years in the professional athlete community, a segment of the populati

Interesting admission. There's been recognition of subclinical vitamin D deficiencies for years in the professional athlete community, a segment of the population at higher risk of bone and tissue disorders: http://journals.lww.com/cjsportsmed/Abstract/2010/09000/High_Prevalence_of_Vitamin_D_Insufficiency_in.9.aspx http://journals.lww.com/cjsportsmed/Abstract/2010/09000/High... http://journals.humankinetics.com/doi/abs/10.1123/ijsnem.18.2.204 http://journals.humankinetics.com/doi/abs/10.1123/ijsnem.18.... There is no reason not to get tested given how easy it is to order online: https://www.accesalabs.com/Vitamin-D-Test https://www.accesalabs.com/Vitamin-D-Test I've tried out a handful of supplements for Vitamin D but haven't landed on a good one. Has anyone tested, tried specific supplements, and then retested and documented results?