- Known expert: Helen Saul Case is a known authority in orthomolecular medicine, and has been featured in numerous orthomolecular features and media opportunities, including the recently-released That Vitamin Movie. - Bestselling author: Helen Saul Case has authored various orthomolecular titles that have sold thousands of copies, and has co-authored with her father, Andrew Saul (author of bestselling titles Niacin and Doctor Yourself)...