Question: how many calories should i eat with underactive thyroid?
Answer: According to USDA guidelines, sedentary men over 30 years old need about 2,400 calories a day, while moderately active men need about 2,600 calories a day. Sedentary women over 30 years old need about 1,800 calories a day, while moderately active women need about 2,000 calories per day.