Another popular form of the plan is the 5:2 diet. When doing this, slimmers will reduce how many calories they eat for two days of the week and eat normally on the remaining days.
The expert revealed an important tip and explained choosing a nine hour window could give the best results.
“Where possible and appropriate I suggest clients breakfast around 10am, and finish their evening meal by 7pm,” Corin added.
“This helps tie eating in with when the gut is working most optimally.