If it is 97.7 or lower, it is highly likely that your thyroid system is malfunctioning. There is some nutritional support that may be very useful in assisting your thyroid system to function more normally. Often in my practice, we have been able to eliminate many of the symptoms listed above by just doing this nutritional regime. Iodine is essential to thyroid function, and kelp is a good source. Two to three tablets per day can provide more than enough iodine.
Tyrosine is an amino acid and is a building block for thyroid hormones.
Carnitine also helps. Consider supplements of both if your protein consumption is low. To help with the body's conversion of thyroid hormones, try 100 mg. of zinc and 200 mcg. of selenium. In summary, many of the common complaints of modern life can be found in the list above. The more of these problems you have, the more likely they point to thyroid imbalance or malfunction.