Cortisol is a hormone that is naturally produced in the adrenal glands. Cortisol helps control metabolism, regulates blood pressure and promotes proper function of the immune system, so it's important to maintain healthy cortisol levels in your body.
A cortisol deficiency is serious condition that may be an indication that your adrenal glands aren't functioning properly. See This article will help you learn how to raise your cortisol production to a healthy level.