https://blogs.mercola.com:443/sites/vitalvotes/archive/2016/11/24/vitamin-d-deficiencys-impact-on-mental-and-physical-health.aspxDespite its name, vitamin D is actually a steroid hormone. It can be obtained from sun exposure, supplementation or select foods. Vitamin D is crucial for optimal health and can serve as one of the simplest solutions to a wide array of health problemsenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)