Hi for many months I have been having blood test due to feeling fatigued. I am worst pm around 2pm my energy levels crash. I have discomfort around my throat/neck area. I feel totally run down. All my blood test are normal. Repeated. Symptoms. Insomnia dry skin low mood lethargy in afternoon raised BP feeling cold weight gain shaky foggy unable to concentrate. My Serum Thyroid peroxidase antibody 37.3 ? My TSH 2.1 and Parathyroid 28. Can anyone advise me where to go next. Feel very unwell.