<b>Due to state law, we can not ship this product to NY State.</b><br> Thyroid stimulating hormone, or TSH as it’s commonly referred to, is a hormone produced in the pituitary gland that stimulates the thyroid to produce thyroxine (T4). When the body is producing high amounts of TSH, it typically results in lower levels of T4 resulting in hypothyroidism. When the body is producing low amounts of TSH, it typically results in higher levels of T4 resulting in hyperthyroidism. <b><br><br>Hypothyroidism:</b> A condition in which the thyroid gland does not produce enough hormones. This is also known as an underactive thyroid. <ul><li>Some symptoms of hypothyroidism may include: fatigue, depression, weight gain, constipation & hair loss</ul> <b>Hyperthyroidism:</b> A condition in which the thyroid gland produces too much thyroxine<br> <ul><li>Some symptoms of hyperthyroidism may include: anxiety, weight loss, rapid heart rate, frequent bowel movements & restlessness</ul> <br><b>Thyroid FAQ’s:<br><br>What is the job of the thyroid gland in the body?</b><br> The thyroid is a small gland located in the throat that produces thyroid hormones. These hormones are responsible for regulating the body’s metabolism including how it creates and uses energy. <br><b>What are some factors that can affect thyroid function?</b><br> Thyroid function can be affected by nutritional deficiencies including iodine & selenium and by exposure to toxic elements including bromine, arsenic, selenium, mercury & cadmium. <br><b>Who should test their thyroid function?</b><br> Routine screening is recommended for those experiencing symptoms such as: weight gain or inability to gain weight, feeling cold all the time, low energy, hair loss, irregular bowel movements or depression. Testing thyroid function is also recommended for individuals over the age of 50, anyone with a family history of thyroid disorders and those with autoimmune disorders.