Growth hormone level is at 0.1ng/ml. Is this normal? Periods are messed up. Almost daily headaches and I'm always tired

Pituitary hormones. The pituitary gland is at the base of the brain and produces many hormones that control the endocrine glands of the body. Growth Hormone (HGH) is one of them. The symptoms you describe are general, not specific for growth hormone, but could relate to hormone deficiencies. See your family doctor and consider testing other endocrine functions like cortisone, thyroid and prolactin. .