Mark Stengler

Mark Stengler is a naturopathic doctor, best-selling author, and one of North America's foremost authorities on natural and integrative medicine. With over two decades of clinical experience, Dr. Stengler has helped thousands of patients achieve lasting health by combining the best of conventional medicine with proven natural therapies. He is widely recognized for his ability to translate complex medical research into practical, accessible guidance that empowers people to take charge of their own well-being.

Dr. Stengler is the author of numerous books and health resources, including works on natural approaches to weight management, hormone balance, and chronic disease prevention. His evidence-based philosophy emphasizes treating the root causes of illness rather than merely managing symptoms, drawing on nutrition, herbal medicine, supplementation, and lifestyle medicine. He has been featured in major media outlets and has served as a trusted resource for patients seeking alternatives to pharmaceutical-only treatment models.

Through Nightingale-Conant, Dr. Stengler brings his integrative approach to a broader audience with Transform Your Body... Naturally!, a comprehensive program designed to help listeners achieve optimal health and vitality through safe, effective natural strategies. His work reflects a deep commitment to helping people look and feel their best—naturally and sustainably.