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Vitamin D is frequently referred to as the sunshine vitamin, as it is manufactured by human skin exposed to the sun. For this to take place we need sufficient levels of cholesterol in the body. Vitamin D3 is the form our bodies produce naturally.

Widely known as the sunshine vitamin, there is a reason vitamin D is so easy for our bodies to synthesise in the summer months — we need it for a huge variety of functions. Yet, chances are that you are low in it, since it is estimated around one billion people worldwide are deficient or have insufficient levels. So what is vitamin D? Interestingly, it is not simply a fat soluble vitamin that is produced endogenously when UV rays reach our skin at the correct angle, it is actually also a hormone. Its various forms have a range of names; including calcitriol, ergocalciferol, calcidiol, and cholecalciferol.

Vitamin D is frequently referred to as the ‘sunshine vitamin’, as it is manufactured by human skin exposed to the sun. For this to take place we need sufficient levels of cholesterol in the body. Vitamin D3 is the form our bodies produce naturally.