title: Ask the doctor. My husband is taking arginine and citrulline supplements because he read that they will protect his heart and arteries.  Should I try these supplements, too, or is this a waste of money?
authors.forename: Mark A
authors.initials: MA
authors.lastname: Creager
mesh_terms: D000596:Amino Acids / Q000009:adverse effects / Q000627:therapeutic use; D001120:Arginine / Q000009:adverse effects / Q000627:therapeutic use*; D002318:Cardiovascular Diseases / Q000517:prevention & control*; D002319:Cardiovascular System / Q000187:drug effects*; D002956:Citrulline / Q000009:adverse effects / Q000627:therapeutic use*; D003331:Coronary Vessels / Q000187:drug effects; D006801:Humans; D009569:Nitric Oxide / Q000096:biosynthesis*
chemical_list: D000596:Amino Acids; D002956:Citrulline; D009569:Nitric Oxide; D001120:Arginine