My Keto Boost : May increase metabolic rate and promote the loss of weight and belly fat too. If you're planning to follow the keto diet, consider consulting with a registered dietitian to determine the most balanced diet possible, as well as any supplements you may need to take. Getting a balance of nutrients on the ketogenic diet can be challenging, which is “no surprise because you’re essentially cutting out healthy whole grains, fruits and some vegetables,” says Devje. Because the ketogenic diet is limited in terms of food groups, you’ll be at risk for nutrient deficiencies.