Widely known as the “sunshine vitamin,” vitamin D is an essential vitamin that all humans need. This group of fat-soluble secosteroids is in charge of boosting the body’s absorption of phosphate, magnesium, and calcium. In addition, vitamin D performs several vital functions in the body needed for cellular processes. But what if you lack Vitamin D? This GP in Southbank, VIC, advises to get your vitamins through healthy diet and foods rich in essential oils for vitamin D deficiency.