NaturalPath Media, a health-focused Internet publisher, has launched a self-service display advertising platform powered by Seattle-based Internet advertising software developer AdReady, NaturalPath Media reported Monday. NaturalPath said the service, called AdGuru, will provide green and natural health advertisers with a means of creating and managing their display ad campaigns on NaturalPath's network of 80 health- and lifestyle-oriented Web sites. The platform, NaturalPath noted, is targeted at advertisers with daily budgets of less than $10,000. Based in San Francisco, NaturalPath's 80-site network receives more than 12 million unique visitors each month. Founded in 2006, AdReady is a privately held company backed by Bain Capital Ventures, Khosla Ventures and the Madrona Venture Group.