About Our Practice
At HyperFit MD™, we focus on treating the root cause of health issues, not just the symptoms. Based in Milford, Connecticut, our practice offers age management and preventative care to enhance your quality of life. Led by Dr. Charles Guglin and Francesca Guglin, our highly educated staff rely only well-researched, proven methods to restore health and wellness to its optimal level.
MD, F.A.C.S OWNER
CHARLES GUGLIN
Dr. Charles Guglin, MD, FACS, is a board-certified surgeon with over 35 years of medical experience and a visionary leader in the field of age management and preventive medicine. After nearly three decades as a respected general surgeon, Dr. Guglin saw firsthand how traditional medicine fails to prevent chronic disease-treating symptoms instead of root causes. Determined to change this, he founded HyperFitMD to provide a better model of care-one that stops illness before it starts and helps patients thrive well into old age.
Why Trust Dr. Guglin
- Decades of Medical Mastery - former Chief of Surgery and President of Medical Staff, Dr. Guglin brings surgical precision, clinical expertise, and medical leadership to the field of longevity medicine.
- Advanced Diagnostic Approach - He employs cutting-edge genetic testing, biomarker analysis, and comprehensive metabolic screenings to uncover hidden health risks long before symptoms appear.
- Innovative, Science-Driven Treatments - From hormone optimization to metabolic therapies, performance-based nutrition, and regenerative interventions, Dr. Guglin stays at the forefront of medical advancements, ensuring his patients receive the most effective treatments available.
- A Recognized Authority in Age Management - A sought-after speaker, educator, and thought leader. Dr. Guglin has been invited to lecture at professional conferences, hosts a weekly radio show, and has been featured in media outlets discussing the future of longevity medicine.
Dr. Charles Guglin, MD, FACS, is a board-certified surgeon with over 35 years of medical experience and a visionary leader in the field of age management and preventive medicine. After nearly three decades as a respected general surgeon, Dr. Guglin saw firsthand how traditional medicine fails to prevent chronic disease-treating symptoms instead of root causes. Determined to change this, he founded HyperFitMD to provide a better model of care-one that stops illness before it starts and helps patients thrive well into old age.
OWNER
FRANCESCA GUGLIN
Francesca Guglin, Owner of HyperFit MD™ Age Management Center strives to offer clients five-star services through advanced science, education and close supervision while maximizing their health and quality of life. Francesca has various schooling abroad in Europe, as well experience in the aesthetic Mecca of Florida. Francesca is the Educational Director for the Age Management Medicine Group (AMMG), an organization dedicated to providing education and information on the sub-specialty of age management medicine to physicians and healthcare professionals through evidence-based education, conference and workshops. Her extensive knowledge in the aesthetic industry brings the cutting-edge science of functional and preventive treatments to provide clients with the superior care and expertise in the comforting and welcoming environment of HyperFit MD™. Francesca is happily married to Dr. Charles Guglin and in her spare time, she enjoys hiking, sculpting and motorcycle touring.
RN, BSN
Crystal Celentano
Crystal Celentano, RN, BSN, brings more than 16 years of nursing experience to HyperFit MD, with a diverse clinical background in emergency medicine, infusion therapy, orthopedics, and patient-centered wellness care. Known for her compassionate approach and attention to detail, Crystal is dedicated to helping patients achieve their health, wellness, and aesthetic goals with confidence.
With a passion for preventative medicine, functional wellness, and aesthetics, Crystal believes that feeling your best starts with personalized care and a strong partnership between provider and patient. She is committed to delivering safe, effective treatments while helping patients achieve refreshed, natural-looking results that enhance their confidence without compromising authenticity.
Crystal is currently completing her Master of Science in Nursing as a Family Nurse Practitioner and works alongside Dr. Guglin to provide comprehensive care focused on wellness, longevity, and optimal health.




