Personalized Wellness for Optimal Health
Comprehensive Wellness Services
THRIVE by Kristin Gustin is dedicated to helping you achieve lasting wellness through personalized, science-driven care. By combining advanced diagnostics with evidence-based therapies, we create individualized treatment plans that focus on addressing the root causes of health concerns—not just the symptoms. Whether you're seeking hormone optimization, peptide therapy, metabolic support, weight management, or preventative wellness, our mission is to help you feel your best, perform at your highest potential, and thrive every day.
About Us
Functional Health
Functional Health
Functional Health
Peptide Therapy
Functional Health
Functional Health
Weight Management
IV Therapy and Beyond
IV Therapy and Beyond
IV Therapy and Beyond
IV Therapy and Beyond
IV Therapy and Beyond
OUR TEAM
Kristin Gustin
Kristin Gustin, MSN, FNP, is an Advanced Registered Nurse Practitioner. She is passionate about adult preventative care and wellness. A medical healthcare provider, Kristin will care for you like family, respect you and your decisions, and exceed your expectations with excellent, compassionate care. She received her master’s degree in science of nursing at the University of South Florida and has over ten years of experience in various specialties, including cardiology, pulmonology, and urology. When Kristin is not working, she’s enjoying boating, sports, fitness, motherhood, and volunteering. Kristin has a passion for helping others, especially those in need. Visit Kristin at Thrive by K, a non-surgical medical spa in Cape Coral. Contact Kristin for hours of availability
Samantha Holt
Samantha “Sammy” Holt’s lifelong fascination with science and the human body led her to join Kristin on a dedicated health and wellness journey. She holds a Bachelor of Science in Biology from UMass Boston. Samantha’s professional journey is marked by nearly two years of collaboration with Kristin, whose expertise she trusts implicitly. Her personal health journey includes overcoming struggles with weight. With the help of Tirzepatide and Kristin’s guidance, she achieved and maintained remarkable weight loss. She has maintained her weight for more than a year and feels and looks better than ever. Samantha is enthusiastic about sharing her journey and helping others achieve happier, healthier lives. Contact Sammy to learn how to do the same!
Michelle Simpson
Michelle was born and raised in Florida and has a daughter, Madison. She is a Registered Nurse with a BSN and has been practicing nursing since 2006. Her professional background includes cardiology and medical-surgical nursing. She is currently pursuing her MBA with a concentration in healthcare management at Florida Gulf Coast University.
Outside of work and school, Michelle enjoys spending time outdoors—especially being on the water, hiking, and enjoying Florida’s natural beauty.
Jessica Ellis
Marketing & Patient Experience Coordinator
Jessica joined Thrive by K after developing a passion for wellness, hormone optimization, and peptide therapy. What began as a personal interest quickly grew into a career she truly loves. Inspired by Kristin’s extensive knowledge and genuine commitment to helping patients achieve their health goals, Jessica is proud to be part of the Thrive by K team.
With a degree in computer information systems, Jessica combines her technical background with a creative passion for marketing, social media, event planning, and community outreach. She enjoys educating others about the services Thrive by K offers while creating engaging experiences that help patients feel informed, welcomed, and supported.
Outside of work, Jessica is a proud mom of four who loves spending time outdoors. Whether she’s at the beach, relaxing by the pool, planning community events, or enjoying quality time with her family, she believes in embracing a healthy, balanced lifestyle and helping others do the same.
Jessica looks forward to welcoming you to Thrive by K and being part of your wellness journey.
Jazlyn
Hi! I'm Jazlyn, and I'm excited to
be part of the team as a Medical
Receptionist. I enjoy helping
others, creating a welcoming
environment, and making sure
every patient feels comfortable
and cared for. I'm looking forward
to growing with the team and
making a positive difference in
each patient's experience!
Voted Best Of Pine Island
