Blue Vervain [Nervous], sometimes called wild hyssop or traveler's joy, dates back at least to the Middle Ages. It is considered a bitter and a tonic by herbalists who use the plant's leaves and flowers. The plant contains glycosides, volatile oil, tannin, alkaloids and bitter substances. Nature's Sunshine offers blue vervain in a highly concentrated liquid form. The active substances are extracted and suspended in a base of pure vegetable glycerin. This liquid extract contains no preservatives or additives.

Ingredients: Alcohol-Free Herbal Extract composed of the finest blue vervain herb (Verbena officinalis) in vegetable glycerin (80% Glycerin and 20% Water).