Ask a Neurologist. Get Answers to Your Neurology Questions.
I'm assuming you are talking about a TSH. If so, .77 is not too low but close to the cut off. 0.45-4.5 is the normal range for a TSH. Depending on the cause of your tinnitus there may or may not be a cure and a 2nd opinion may be warranted.
Let me know if you have any other questions. If not, please don't forget to leave a positive rating as that's the only way I get credit for answering your question. Thank you.
Any other questions?