I have been diagnosed with underactive thyroid. I have no idea what this means and was given no explanation from GP except the clinical one he read from the screen twice. I’m now reading things from the internet and getting in a right muddle. One thing I would like to know is ‘What is the connection between a Gluten Free diet and U/A thyroid’. My GP gave me levothyroxine 25 mg to take once a day and go back in a month which I am doing. I have joined the British thyroid society. If anybody has any suggestions or reading material that would be useful to a completely confused tired novice in this field it would be very much appreciated.