Single-Herb Tinctures Blue Vervain PreviousBlack Cohosh NextBoneset Blue Vervain Blue Vervain from $12.99 Blue Vervain (Verbena hastata) is a great nervine for tight tense muscles. Size: Select Size 1 ounce2 ounces 1 ounce 2 ounces Quantity: Add To Cart Facebook0 Twitter LinkedIn0 Reddit Tumblr Pinterest0