The United States government recommend Keto Complex healthy adults engage in at least 150 minutesTrusted Source, or 2.5 hours, of moderate-intensity activity every week. Moderate-intensity activity can include any activity of 3 to 6 METsTrusted Source. Brisk walking is an excellent way of sticking to these guidelines. Unlike some other types of activity, walking is generally free and accessible to people who are able to do so. It is a relatively low-intensity form of exercise, so it is suitable for people who are unable to engage in more vigorous forms of exercise. Walking is also easy to fit into a typical day for most people. For example, walking to work or taking a walk during a lunch break for 30 minutes every day will lead to at least 150 minutes of moderate-intensity activity every week.