Maria Navas is a nutritionist located in Spain, she graduated in Human Nutrition and Dietetics. She began her journey in private practice in 2020, where she focused on improving women's habits. She soon identified a series of common problems in women. They were related to their hormonal status, which affects their mood, fatigue, weight problems, menstrual alterations, etc. She decided to train in this field to see how to improve this through nutrition and lifestyle. As a result of the Postgraduate Diploma in Clinical Nutrition, she realized that many diseases of this century go hand in hand with an alteration in the microbiota. She specialized in it through a Master's in Microbiota, Probiotics, and Prebiotics. Maria continues her work on constant training through courses, books, congresses, and experiences with her patients on a daily basis.