Nikki Stewart is a U.S.-licensed registered nurse and internationally recognized expert in integrative and longevity medicine. With more than two decades of clinical experience across critical care, functional medicine, and wellness optimization, she has dedicated her career to bridging the gap between conventional medical practice and the rapidly advancing field of regenerative health.

Her professional journey began in intensive care and oncology, where she witnessed the limitations of reactive medicine and developed a passion for proactive, patient-centered approaches to wellness. Over the years, Nikki has expanded her expertise to include peptide therapy, hormone restoration, metabolic optimization, and cellular health interventions, designing precision- based programs that promote vitality, resilience, and healthy aging.

Certified by the International Peptide Society, she has worked with leading clinics and wellness centers in the United States, Thailand, and the Middle East, guiding both patients and practitioners in the application of cutting-edge therapies for longevity and performance. Her clinical philosophy emphasizes whole-body integration—aligning biochemistry, mindset, and lifestyle to unlock the body’s natural regenerative potential.

As a sought-after speaker and educator, Nikki Stewart has presented globally on the evolution of peptide science, bio-functional medicine, and personalized wellness strategies. Her work continues to empower individuals and healthcare professionals to transition from disease management to health optimization— redefining what it means to thrive at every stage of life.