Fatigue is considered to be a healthy response when caused by physical exertion, emotional stress, or lack of sleep. Good nutrition, rest, and relaxation are often the perfect remedies. However, if you find yourself in a continual state of exhaustion, it is of life altering importance to uncover the root cause in order to curb the damage fatigue does to your body. Perhaps, a more serious condition such as anemia, under-active thyroid, depression, or illness may be responsible. Select nutrients can help restore energy naturally, without the use of dangerous stimulants.