Know yourself - Introductory Material

Your gastrointestinal tract on its own cannot complete the processes of digestion and absorption of nutrients obtained from foods and beverages. Learn about several internal accessory organs which help complete the process.

Nitrogen is a non-metal element, a component of the air that we breathe, and living plants and animals. Although nitrogen is essential to human health, in some forms this element may be responsible for carcinogenic activity. Should you be concerned?

Chromium has been identified as an essential trace mineral and is thought to be involved in glucose metabolism. What else is known about this metal mineral and how much do you need each day?

Fluoride, a trace mineral, is typically associated with the health of your teeth and is a common component of toothpastes and mouth washes. However, tooth health is not the only function of fluoride in your body.

Sulfur is an essential nutrient, but unlike other minerals is incorporated into the structure of other essential nutrients and a variety of compounds synthesised within your body and necessary for your metabolism.