About 10% of the US population are true sugar addicts, according to Robert Lustig, professor of pediatrics and member of the Institute for Health Policy Studies at the University of California, San Francisco. Wholegrain varieties of these staple foods have much more fibre assisting with the transit of food through the gut and helping to reduce the risk of constipation. Whilst many of these tips may seem simple, the fact is that many people are still not doing what it takes to keep their gut healthy. Like a sorting office, your gut is responsible for breaking down food, absorbing nutrients for delivery around the body and then managing waste.