Nature's Sunshine's Hops & Valerian with Passion Flower in a unique combination of natural ingredients which nourishes the nervous system with many elements it needs to maintain health. The combination is a natural source of selenium, zinc, niacin and vitamin C. 

Vitamin C is a well-known antioxidant vitamin that contributes to the normal functioning of the nervous system and immune system, and to the reduction of tiredness and fatigue.