Brief: Natural Health Trends expects Q1 revenue of $40.9 mln
April 13 (Reuters) - Natural Health Trends Corp NHTC.O : * Natural Health trends announces first quarter revenue estimate * Says expects to report Q1 revenue of $40.9 mln * Source text for Eikon ID:nGNXVDFZPa * Further company coverage NHTC.O ((Bengaluru Newsroom; +1 646 223 8780))