- Master in Nutrition and Health, Universidad Abierta de Cataluña, 2018-
- Bachelor of Nutrition and Dietetic, University of Alfonso X el Sabio, 2015-2016
- Bachelor of Pharmacology, University of La Laguna, 2008-2013
Sergio Espinar has a bachelor’s degree in both pharmacology and nutrition. He currently works as a sports nutritionist, specialized in strength sports, women's nutrition and body composition. Currently, he is a consultant for several athletes in a variety of sports in Spain and his experience has encouraged him to help a wider range of people to achieve their fitness goals.