Soccer is one of the most popular sports today, which is played not only by the male part of the population, but also by women and children of all age groups. A sport in which physical fitness and psychological stability are the main elements of progress and successful performance. Nutrition and injuries in football are one of the integral parts of this game. In the prevention and remediation of injuries, the main role is played by the physiotherapist, who is the first and main person who retrains the player to continue training and competition. With the ever-increasing demands of training and competition, players find themselves more and more often in trouble caused by injuries to the lower extremities, which are especially prevalent in football due to the specificity of the sports activity. Players and coaching staff are often the target of numerous injuries at major competitions and international matches, which greatly complicates the selection of players who will compete. Today, nutrition plays an important role in the life and career of every athlete. Given that higher goals and demands are placed on athletes day by day, the body goes through extremely exhausting preparatory and competitive phases. Athletes have a need for higher energy intake because energy consumption is high due to physical work, and in addition, basal metabolism is also higher due to a higher proportion of muscle tissue. The nutrition of athletes has become one of the most interesting topics for research today, which will also be presented in this paper. The goal of this final paper was to present and investigate the role of the physiotherapist, his way of working and rehabilitation, as well as the connection between the players and the physiotherapist, that is, to examine and review the eating habits of the players of the amateur leagues of Istria. Whether the clubs of the amateur leagues in Istria have a licensed physiotherapist, whether the players have a physiotherapist at their disposal at the time of injury and how the players are fed and supplemented will be investigated and questioned by a survey and presented in this final paper. This final thesis should bring people closer to the importance of physiotherapists, not only at the professional level, but also at the amateur level, and show the importance of proper nutrition as one of the preventive ways to prevent injuries in football players.