in hyperthyroidism there is increased metabolism so first increase her nutrition by three times give high energy rich in calories and multivitamins and minerals. milk shakes fat rich diets fruits eggs protein diet. this will keep her from being tired second continue her medications as prescribed by her physician third keep her relaxed physically and emotionally as her body muscles are in constant tension and exertion will deplete her energy reserves fourth if interested can try herbal medicine Ashwagandha which is helpful for regulating both Thyroid and adrenal gland functions it can be used along with Allopathic medication. also there are homeopathic medicines that help with hyperthyroidism. hope this helps her