W3FN is a professional meal planning, food and activity logging tool that can only be activated by an authorized nutrition counselor. You can login to W3FN by using the username and password that was provided by the counselor when your web based cloud account is set up. Your personalized meal plan, grocery list, daily caloric goal and weight control goal are set up by the counselor on your web cloud account, then pushed to the W3FN app. The nutritional and weight management goals include your daily calorie budget, goal weight, BMI, macronutrient ratios and other important factors that contribute to better overall health, nutritional habits and weight control.