A system and method of driving weight management product sales in a multi-level marketing environment using a body impedance data acquisition device, a weight management software program, nutritional supplements and a standardized sales pathway software program, resulting in direct sales, lead generation and new distributor sign up. A prospect's personal information and lean body mass data are input to the weight management computer software program for determining an individualized weight management plan, where the lean body mass data are obtained using the body impedance data acquisition device. The prospect is presented weight management product packages for purchase, individualized according to the derived weight management plan and becomes a client upon purchasing a product package. The new customer is presented a business opportunity in becoming a new distributor of the weight management products and, if enlisted, is provided product discounts and sales software tools for facilitating weight management product sales.