The best weight loss program is one that provides a realistic, sustainable approach to nutrition, physical activity, behavior change, and long-term weight management. There is no single program that works equally well for everyone, so an effective plan should be tailored to an individual's goals, lifestyle, preferences, and health needs. Evidence supports multicomponent best weight loss program that combine nutrition and physical activity with ongoing support. A CDC-published systematic review found that short-term programs addressing both nutrition and physical activity can produce meaningful weight loss in adults with overweight or obesity.