George Lockhart is a nutritionist whose clients include prestigious fighters like Conor McGregor, Rafael Dos Anjos and Rory MacDonald. Given the incredible weight loss that some fighters have to undergo in order make to make weight on the day of the weigh-in, we can understand that a nutritionist’s help is mandatory, so as not to be in for a bad surprise once on the scale.The answer lies in your dietLockhart is also a veteran fighter with a record of eleven wins and seven losses, a respectable record. He explains here why it is difficult to lose fat in the abdominal area. If building muscle can seem simple, carving out real abs can quickly become a nightmarish task. Here, the solution does not lie in new, more effective exercises, but in your diet. View this post on Instagram A post shared by George Lockhart (@lockloadedmma) What's in an ab-oriented meal?As they say, abs are made in the kitchen. A general rule of thumb is to cut back on sugar, simple carbs like bread and pasta, fried foods and alcohol. Instead, eat plenty of vegetables, lean proteins and foods rich in healthy fats such as oily fish, avocado and nuts. Start by keeping an eye on your protein intake and top it all off with lots of vegetables. Following these simple tips will help you go a long way. If you are interested in the subject, we recommend you listen to Lockhart on Joe Rogan, the UFC commentator’s podcast, who is also fascinated by fitness and weight loss which is supervised by specialised coaches. You can also take online courses with Conor McGregor to become a nutrition and weight management expert.Check out the video above for Lockhart's tips for losing belly fat!