|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. Peer review refers to the work done during the screening of submitted manuscripts and funding applications. This process encourages authors to meet the accepted standards of their discipline and reduces the dissemination of irrelevant findings, unwarranted claims, unacceptable interpretations, and personal views. Publications that have not undergone peer review are likely to be regarded with suspicion by academic scholars and professionals.