With over 20 years of experience in the field of nutrition, Isabel Jereissati holds a degree in Functional Nutrition from Brazil and a Functional Nutrition Counselor certification from the United States. She has dedicated her career to empowering women to take control of their health through personalized, science-backed guidance. Isabel’s approach is centered on helping women navigate the overwhelming flood of information on social media, offering practical, individualized advice that aligns with their unique needs and life stages.
Isabel’s mission is to help women build a healthier relationship with food and their bodies, making sustainable changes that promote hormonal and digestive balance. Through her work, she provides the tools and knowledge necessary to make informed, confident health choices—without the need for restrictive, trendy diets.
Welcome to Change Method — a holistic approach grounded in scientific evidence, designed to help you thrive at every stage of life.

“Food is a powerful tool for addressing health concerns, supporting wellness, and preventing health issues at every stage of a woman’s life.”
Isabel Jereissati’s academic and professional journey reflects her commitment to excellence and innovation in the field of nutrition. Her extensive education includes:
– Bachelor’s in Nutrition – Universidade Santa Úrsula, Rio de Janeiro, Brazil (2003)
– Functional Nutrition Counselor Certification – Functional Nutrition Alliance, United States (2023)
– Master’s in Clinical and Experimental Pathophysiology – Universidade do Estado do Rio de Janeiro, Brazil (2009)
– Specialist in Maternal and Child Nutrition – Universidade do Estado do Rio de Janeiro, Brazil (2008)
– Diplomate of The Institute for Functional Medicine (IFM) – United States (2011)
– Clinical Functional Nutrition – UNIB-VP, Brazil (2010)
– Phytotherapy Applied to Nutrition – UNIB-VP, Brazil (2017)
– Nutritional Genomics – UNIB-VP, Brazil (2020)
– Foundations of Integrative Medicine – Instituto Albert Einstein, Brazil (2018)
