Michael Mosley has said including a certain range of foods in your diet can promote weight loss, by putting your body into a state of ketosis.
The diet guru - famous for his Fast 800 and 5:2 plans - has shared some top tips when it comes to dropping that stubborn bit of fat, the Mirror reports.
The doctor has released a book dedicated to keto dieting - called the 21 Day Keto Magic: Eat Healthy, Burn Fat, Lose Weight, And Keep It Off - which provides insight into how to implement the lifestyle.