Nutrients

Your body is inhabited by trillions of bacterial cells. Some bacteria have the potential to harm you, but many benefit your health. Do probiotics, beneficial bacteria added to food, have a health promoting role and why are prebiotics important?

Quinoa has become a preferred choice of "grain" for many people because of its relatively high and complete protein content. Botanically, quinoa is not a grain. What is quinoa and how does it compare to other protein sources?

Antioxidants are often promoted as "life preserving" nutrients: a must have in your diet be it from food or supplements. But what are antioxidants, what role do they play in supporting health, and are anti-oxidant supplements necessary?

Vitamin K is involved in the synthesis of bone proteins and is freely available in green leafy vegetables. What other functions does vitamin K have and can you obtain sufficient vitamin K from the food you eat?

Vitamin E is an essential nutrient. A deficiency may contribute to less than optimal health. However, evidence for anti-ageing benefits of vitamin E supplementation has not materialised. Why do you need this vitamin and how much is enough?