Vitamin D plays a necessary role in bone health by raising the absorption of bone building metallic element from the internal organ, supporting growth and maintenance of the skeleton, control levels of metallic element within the blood. Low vitamin D levels will cause bone and joint pain, increase the chance of falls and bone fracture in older individuals, end in rachitis (when terribly serious), impact on unhatched youngsters in mothers with vitamin D deficiency. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in MEDLINE, PUBMED, SCOPUS, COPERNICUS, CAS, EBSCO and ISI.