presentation a white oval tablet. active ingredient delivers: valerian (provided by 400mg of a 4:1extract) 1600mg tableted with: calcium carbonate prep. microcrystalline cellulose crosslinked sodium carboxymethylcellulose hydroxypropyl methylcellulose silicon dioxide stearic acid titanium dioxide magnesium stearate glycerin. usage & administration take 1 to 2 tablets one hour before bedtime or as directed by a practitioner or pharmacist. other information cautionsdo not take if pregnant or breast feeding. mild drowsiness may occur. it is advisable not to drive or operate machinery.