Most herbalists discuss remedies for the under active thyroid . The fatigue, low body temperature, weight gain, depression, heat or cold intolerance (usually cold), and hair loss are symptoms of a thyroid which is under active (an under active thyroid has thyroid stimulating hormone ( TSH ) levels greater than 4.0)
With an overactive thyroid, the most important clinical aspect is to control the cardiovascular signs and symptoms such as an overactive heart rate (pulse rate) and an elevated blood pressure. Unfortunately not many herbalists deal with hyperthyroid conditions. I get many patients who have been told by other doctors dealing with their overactive thyroid, "You have two options- radioactive iodine to destroy the thyroid or surgical remove the thyroid, thus you will be on medications for the rest of your life."
Although these are two conventional methods still used today, the use of some natural herbs in high doses can reverse and/or cool down the hyperactive thyroid.
I have seen patients respond within a few months, some within a year and rarely beyond two years unless the presenting hyperthyroidism is very severe. Harvey W. Felter, ecletic physician, wrote this about bugleweed, "...used for vascular excitement with rapid, tumultuous action of the heart, but lacking power." I love to read old uses of herbs. I especially enjoy Culpepper and Sauer
Lycopus virginicus (Bugleweed) can be used for both hypothyroid and hyperthyroid. It has been shown to reduce thyroid levels in hyperthyroid animals. The dose is high - about 150 drops of a 1:3 extract. The aerial parts of the plant are used. Bugleweed is specific for the over-active thyroid where the symptoms include tightness of breath, shaking and palpitations. For the wild crafter it should be collected just before the buds open. It is a great nervine and I have used it with valerian. I also have used this herb with other cardio tonic herbs for slowing down the heart rate. The other cardio herbs for an overactive thyroid is Motherwort
Another herb, Lemon Balm (Melissa officinalis) helps in decreasing anxiety and calming an overactive thyroid. I use both lemon balm and bugleweed together. In animal studies, lemon balm has been shown to reduce or normalize the TSH levels. It is given at 45 drops of a 1:3 extract. I love the plant family that lemon balm belongs to --Lamiaceae . This is the same family for the all the mint plants. There is no history for use of lemon balm in thyroid diseases, but I have seen other herbalists use it, and I have also used it with good success. Other than its thyroid use, lemon balm is antiviral especially herpes simplex. It is also used for Alzheimer’s Disease.
Until tomorrow