David Reinprecht is a Certified Functional Nutrition Practitioner, Master Trainer, and Longevity Expert with more than 24 years of professional experience in the fields of nutrition, health optimization, and functional fitness.

He is the author of two best-selling wellness books, From Chubby Kid to Longevity Hero and America’s Food Pandemic: The Hidden Crisis, where he shares his decades of research on metabolic health, cellular regeneration, and evidence-based approaches to aging well.

As the founder of Arizona-Nutritionist LLC, David and his team provide personalized nutrition coaching, longevity programs, and fitness strategies designed to help clients restore their energy, balance hormones, and improve overall vitality—naturally and sustainably.

David’s work is grounded in functional medicine principles, real-world science, and a passion for empowering people to take control of their health through education, accountability, and lifestyle transformation.