Isagenix (cleansingweightlosssystems.com) is a direct-sales company specializing in nutritional supplements, weight loss systems, Rejuvity and skin care products. Like direct-mail giants Avon and Mary Kay, (http According to a “USA Today” article from May 2009, the company has seen a boom in its sales force, experiencing a 30 percent growth since March of 2008, as people search for new sources of income during the recession.