Help clients achieve lasting weight loss with programs that work in the real world. NASM’s Weight Loss Specialization (WLS) equips professionals with the tools to guide clients safely and effectively—combining science, behavior change, and practical strategies for sustainable results.
The Weight Loss Specialization (WLS) teaches fitness and wellness professionals how to design individualized programs that promote fat loss and long-term success. You’ll learn the science behind metabolism, energy balance, and fat-loss strategies, along with techniques to address behavioral challenges and improve client adherence.
The program also includes a free module on Weight Loss Medications (GLP-1s), giving you essential knowledge to safely support clients using modern weight-loss options. By the end, you’ll be ready to create customized programs that help clients reach their goals while building healthy habits for life.
Key Knowledge & Skills Gained
Professional Benefits
Your course was written by 14 experts in weight loss and behavioral science and designed by a team of learning fanatics.
This chapter outlines the healthcare landscape, the role of a Weight Loss Specialist, and how to serve clients effectively while following best practices.
This chapter explores the scope and causes of obesity, its impact on clients and society, and the vital role of Weight Loss Specialists in addressing it now and in the future.
This chapter provides foundational knowledge on how obesity affects the body’s systems, hormones, metabolism, and exercise responses, preparing Weight Loss Specialists to apply these concepts.
This chapter explores the psychosocial aspects of obesity—mental health, social influences, and eating disorders—highlighting self-esteem, body image, and how Weight Loss Specialists can support clients within their scope of practice.
This chapter explains metabolism and its link to obesity, covering energy balance, genetic and environmental factors, metabolic causes of obesity, and practical strategies for Weight Loss Specialists to help clients achieve weight loss.
This chapter covers nutrition, supplementation, and dieting for obesity, including macronutrients, alcohol, micronutrients, popular diets, and weight loss supplements, with their roles, efficacy, and practical application.
This chapter explains how exercise aids weight loss by increasing energy expenditure during and after workouts, preserving lean mass, and supporting better appetite regulation to prevent weight regain.
This chapter explores the psychological aspects of weight loss, covering coping, dieting, willpower, adherence, and ambivalence, to help Weight Loss Specialists understand and support clients’ behaviors.
This chapter explains how to create a clear and effective intake process, providing Weight Loss Specialists with essential tools to assess clients’ specific weight loss needs.
This chapter explains how assessing a client’s readiness and fitness helps Weight Loss Specialists determine an appropriate starting point and build a solid foundation for effective coaching.
This chapter teaches Weight Loss Specialists how to design, implement, and evaluate effective nutrition programs, using behavior change strategies and assessment tools to improve client adherence and achieve successful weight loss outcomes.
This chapter provides Weight Loss Specialists with coaching strategies and exercise programming guidelines, covering individualized training, energy expenditure, NEAT, exercise modifications, and methods to build sustainable behavior changes for effective weight loss.
This chapter teaches Weight Loss Specialists how to integrate nutrition and fitness plans using client personas, providing a clear process to set up, implement, and evaluate an effective combined program.
This chapter focuses on helping Weight Loss Specialists ensure long-term client success by setting realistic expectations, promoting sustainability, and building self-accountability and self-efficacy.
After completing the course, you will take a timed online exam consisting of 100 multiple-choice questions. The exam must be completed within 90 minutes. To pass the exam, you must achieve a minimum score of 70%; if you do not, you have up to three attempts to reach this requirement.