Beetroots are the only common dietary source of betalains and early research is suggesting that they may reduce inflammation and protect cells from damage. Betalains are deep red compounds so you know that a deep red beetroot has high levels of betalains and we have picked one of the deepest red varieties!why grow and eat a rainbow? The dazzling colours of fruit and vegetables are given to them by a range of natural compounds which can be beneficial to health. In fact, research has shown that diets rich in these colourful crops may reduce the risk of a whole range of diseases, from heart disease to cancer. Thats why doctors and dietitians recommend we eat a rainbow. To help you on your way, we have researched hundreds of varieties to find those with the very highest levels of these nutrients.james wong has spent 2 years trawling through over 3,000 research papers to learn how to boost the nutrition in selected plants and has written a book called how to eat better which includes practical tips and tricks.