Heart failure tough on B vitamins.
D000975:Antioxidants / Q000627:therapeutic use*; D019587:Dietary Supplements; D007722:Health Knowledge, Attitudes, Practice; D006331:Heart Diseases / Q000517:prevention & control*; D006801:Humans; D011322:Primary Prevention / Q000379:methods; D014803:Vitamin B Complex / Q000627:therapeutic use*
D000975:Antioxidants; D014803:Vitamin B Complex