What's RealAge? Your biological age -- how old your body really thinks you are based on your health and health habits, good and bad. To find out, take the RealAge Test
-- it’s based on lifestyle, genetics, and medical history. Up to 70% of overall health depends on how well you take care of yourself, so you have a lot of control over how young you are! Our #1 goal? To help make YOUR RealAge younger and live your healthiest life.