Nighttime Herbs Extract from NOW Foods and Supplementstogo.com. Nighttime Liquid Extract is a pleasing combination of herbs formulated for those who prefer an herbal beverage in the soothing evening hours. These herbs, gathered from Polynesia, Europe, and America, have been revered for centuries. DetailsServing size: 2 DroppersfulSuggested Use: As an herbal dietary supplement, take 25-50 drops (1/4-1/2 tsp) in tea or directly on the tongue, preferably in the evening.Other Ingredients: Kava Kava (Piperis methysticum), Chamomile (Matricaria chamomilla), Passion Flower (Passiflora incarnata), Catnip (Nepeta cataria) Hops (Humulus lupulus), Valerian (Valeriana oficinalis), Distilled Water, 20% Vegetable Glycerine and 20% Grain AlcoholWarnings: May cause drowsiness. Do not drive or operate heavy machinery following consumption of this product. Not intended for use by pregnant women or children.Disclaimers: None