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Marcia Upson
Family Nurse Practitioner, Certified at Naturally Slim
Marcia Upson is a prominent figure in the health and wellness sector, serving as the President and Founder of Naturally Slim, a digital weight management and metabolic syndrome reversal program. She has held this position since the company's inception in 1999, and under her leadership, Naturally Slim has significantly impacted the health of numerous individuals across the United States.
Educational Background
Upson holds both a Bachelor of Science and a Master of Science degree from Texas Woman's University. She is also a certified Family Nurse Practitioner, recognized by the American Academy of Nurse Practitioners.2
Professional Contributions
Marcia Upson has been instrumental in developing Naturally Slim's innovative approach to weight management. The program focuses on sustainable behavior change rather than restrictive dieting, helping participants learn to manage their health risks related to obesity and metabolic syndrome. Notably, over 50% of participants with metabolic syndrome have been able to reverse their condition through this program.13
Upson's work has garnered attention in various media outlets, including The Dallas Morning News, Self Magazine, and Cosmopolitan, highlighting her expertise and contributions to wellness education.2 She is also an active speaker and writer in the field, known for delivering engaging and informative presentations.2
Recent Developments
In 2019, Naturally Slim received a significant capital investment from The Riverside Company, which aims to expand its reach and effectiveness in improving public health outcomes. Upson expressed enthusiasm about this partnership, emphasizing the potential for growth and increased impact on health management strategies nationwide.13
Through her leadership at Naturally Slim, Marcia Upson continues to play a crucial role in addressing obesity and promoting healthier lifestyles across diverse populations.


