We all remember being told as children to drink our milk so that we could grow strong bones by imbibing all of that calcium. But, while it is certainly true that calcium and Vitamin D important to bone health, the way to build healthy bones is in fact a far more complex process than simply drinking milk – and this is especially true for the elderly. This paper examines the importance of Vitamin D for the elderly, examining in particular the importance of Vitamin D for continued bone health into old age.