http://articles.mercola.com/sites/articles/archive/2001/11/14/vitamin-c-part-four.aspxTherapy with vitamin C may help heart failure patients by improving the function of their blood vessels. Congestive heart failure occurs when the heart cannot pump efficiently enough to meet the body's needs, resulting in symptoms such as fatigue andenCommunityServer 2008.5 SP1 (Build: 31106.3070)