Melatonin 2.5 mg (liquid) by natrol Home › Forums › Book Club Discussion › Melatonin 2.5 mg (liquid) by natrol This topic has 0 replies, 1 voice, and was last updated 7 years, 10 months ago by ackelnareg1977. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In