Indepth Material

Vitamin B3, niacin, is a water soluble vitamin essential for maintaining health. It is involved in several important metabolic functions in your body. Learn about functions, food sources, daily requirement and bio-availability of niacin.

Vitamin B2, riboflavin, is a water soluble vitamin essential for maintaining health.This vitamin has several important metabolic functions in your body. Learn about functions, food sources, daily requirement and bioavailability of riboflavin.

Vitamin B1, or thiamin(e), is a water soluble vitamin essential for maintaining health. Inadequate thiamin intake can cause adverse health effects. Why is thiamin essential and how much do you need each day?

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?