Dr. Marina Caldwell, MD, MPH, earned her medical degree from the University of Florida College of Medicine and completed a dual residency in Internal Medicine and Preventive Medicine. Board-certified in both specialties, she later obtained a Master’s in Public Health with a focus on nutritional epidemiology. Her clinical career spans 15 years of designing evidence-based micronutrient protocols for patients with chronic fatigue, malabsorption syndromes, and post-surgical recovery needs. Dr. Caldwell has authored peer-reviewed studies on vitamin bioavailability and co-chairs a national task force on safe parenteral nutrient practices. She volunteers for community health screenings across Southwest Florida, expanding access to nutritional counseling.