The MyBodyLab starter guides
Start with the basics.
Three illustrated guides to understanding weight loss, recording food and choosing a tracker that fits your day.
Read the first guideNew to this? Begin with guide one. Already tracking? Jump to what you need.

Read the three guides
Understand the basics, try a practical method, then choose your tools.
- How weight loss worksLearn how everyday meals, portions and movement affect weight, and why the scale changes from day to day.
- How to track caloriesA practical guide to labels, portions, meal logging and the strengths and limits of each tracking method.
- Choose a calorie trackerCompare six calorie-tracking apps by free and paid features, devices and logging methods. Choose what fits your routine.