Ginkgo biloba improves circulation and brain function. It also fights viral infection and helps support the immune system. This herb is very powerful. Select a standardized extract containing 7 percent ginsenosides and begin by taking half the manufacturer's recommended dose, then gradually increase the dosage until you are taking it as directed on the product label. If you are sensitive to the effects of caffeine and other stimulants, you may want to consult with a qualified herbalist before using ginseng.
Siberian ginseng increases the body's resistance to stress, fatigue, and disease.
It also has been shown to increase mental alertness, and possesses strong antioxidant properties. Choose a standardized extract containing 0.5 percent eleutheroside E and take 100 to 200 milligrams twice daily, in the morning and again in the afternoon. Carrot juice, kelp and bee pollen provide energy if fatigue is due to low blood pressure. Use goldenseal to control infection. At the first signs of a sore throat, take a few drops of alcohol-free goldenseal extract, hold it in your mouth for a moment, then swallow.