The most common cause for fatigue is adrenal exhaustion or adrenal burnout. This means that because of some long-term period of stress, your cortisol (hormone made in adrenal glands) level has become depleted. Even if the stress was in the past you could still be suffering from exhausted adrenal glands now.
The foundation of good health lies in proper digestive function. All other health factors can be undermined if you do not digest and absorb nutrients well. The simulation of vitamins, minerals, proteins, and essential fatty acids from the foods you eat and supplements you take is required for optimum health. Any therapeutic program you may use will be of limited value without good digestive function.
Hormones affect almost every function in the body. If Hormones are not properly balance the resulting symptoms can be vast and diverse including: Headache, Mood Swings, Chronic Fatigue, Depression, Hot Flashes, Menstrual Irregularity, and Infertility. The first step in addressing any of these issues is proper testing. You can not correct what you can not measure. Learn more about better ways to measure hormones.