A work from home nutritionist works with a client or clients to advise them about nutrition and lifestyle choices. Your duties are to assess your client’s current situation, including their diet, exercise regimen, and health history, and work with them to develop a healthy diet or meal plan to enable them to reach their health goals. Your responsibilities are also to provide clients with educational information about nutrition, food science, and diet, and you may also refer them to exercise coaches or suggest other ways to improve their overall lifestyle.