Mason Natural Valerian Capsules may help if you’ve experienced anxiety or have trouble sleeping. Valerian root is a common ingredient sold in dietary supplements due to its claims to help people who experience insomnia and nervous tension caused by anxiety. Mason Natural Valerian promotes restful sleep and aids physical and mental relaxation. Mason Natural Valerian 500 Mg Premium Herbal Capsules – 60 Ea: Dietary Supplement. No added : Sugar, Starch, Sodium, Yeast, Soy, Corn, Wheat, Dairy, Gluten, Egg, Fragrance, Artificial Colors or Flavors and Preservatives.