All A to Z Topics

Vitamins, minerals and supplements

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Introduction
Vitamins and minerals are essential nutrients that your body needs in small amounts to work properly.
Vitamin A
Vitamin A is also known as retinol and it has several important functions.
The B vitamins
There are many different types of vitamin B and they all have important functions.
Vitamin C
Vitamin C is also known as ascorbic acid and has several important functions.
Vitamin D
Vitamin D has several important functions. For example, it helps regulate the amount of calcium and phosphate in the body.
Vitamin E
Vitamin E has several important functions. For example, it helps to main cell structure by protecting cell membranes.
Vitamin K
Vitamin K has several important functions. For example, it is needed for blood clotting, which means it helps wounds heal properly.
Calcium
There is more calcium in the body than any other mineral and it has several important functions.
Iodine
Iodine helps make the thyroid hormones. These hormones help keep cells and the metabolic rate healthy.
Iron
Iron is an essential mineral that has several important roles in the body.
Other vitamins and minerals
As well as vitamins and more common minerals – such as calcium, iodine and iron – a healthy diet includes many other substances.