Natural Factors Stress-Relax Serenity Formula - Combines Sensoril ashwagandha, Siberian ginseng, rhodiola, and lavender extract to help relieve symptoms of stress and anxiety, such as mental fatigue, sensation of weakness, sleeplessness, irritability, and inability to concentrate. Its synergistic blend of herbs helps calm stress hormones and balance the body’s systems in a non-habit-forming way. Natural Factors Serenity Formula is non-addictive and may be used for ongoing stress management. This is a great supplement for people who want natural herbal support to help calm persistent stress hormones and bring the body back into balance.