Traditional herbal medicinal product Contains valerian root extract Relief of symptoms of mild anxiety and to aid sleep Holland & Barrett Valerian Capsules are a traditional herbal medicinal product used for the temporary relief of symptoms of mild anxiety and to help aid sleep. Based on traditional use only. Traditional herbal medicinal product Contains valerian root extract Relief of symptoms of mild anxiety and to aid sleep Holland & Barrett Valerian Capsules are a traditional herbal medicinal product used for the temporary relief of symptoms of mild anxiety and to help aid sleep. Based on traditional use only.