Shisandra berry is a little known herb in this country but has centuries of use in Asian culture. It is an anti-oxidant (bright red color) and protects the liver. Chief among its benefits are its ability to calm the nerves and provide energy. Makes sense. If you get rid of stress you have more energy. We often take a friend’s advice on something to try. Read the reviews for this herb and you will see it does make a noticeable difference, for the better.