Understanding if you have a high TSH is SO important because it will help you understand how well your thyroid is functioning. TSH is produced by your pituitary gland in your brain and it tells your thyroid gland to produce more hormone. A high TSH is associated with LOW thyroid hormone (which can be confusing but it's because of feedback loops in the brain). The higher your TSH gets the more hypothyroid you will become and the more symptoms you will experience. There is a difference between a N