Secondly, the most challenging aspect is sustaining the Ketosis state. In addition to this, helping with the symptoms of the Keto flu. These two are the most crucial steps to start losing weight. However, the keto flu can embark on the list of serious problems which can occur while staying ina Ketosis state. But, Prima Weight Loss UK eases the struggle in the traditional period to limit the effects of the Keto flu. However, to sustain the Ketosis state our body needs free levels of the Ketone bodies.