Abstract: The Body of Knowledge is a New Zealand internet weight programme developed in 2007. The programme is delivered through email and the Body of Knowledge website and consists of 31 core modules focusing on methods to induce long term weight loss. This study investigated the efficacy of the Body of Knowledge programme as an avenue for reducing the obesity epidemic. In addition, this study assessed the impact of financial incentives on weight loss. The study involvedf 20 participants with an attrition rate of 30 percent.