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Cory Dugan,1 Aaron Simpson,1 Peter Peeling,1 Jayne Lim,2 Amelia Davies,2 Paige Buissink,2 Beth MacLean,2 Pradeep Jayasuriya,2 Toby Richards2 1School of Human Sciences, University of Western Australia, Perth, WA, Australia; 2UWA Medical School and Division of Surgery, University of Western Australia, Perth, WA, AustraliaCorrespondence: Cory Dugan, School of Human Sciences, the University of Western Australia, 35 Stirling Highway, Crawley, WA, 6009, Australia, Tel +61 0401910790, Email cory.dugan@research.uwa.edu.auBackground: Patient perceptions of iron deficiency and efficacy of iron therapy may differ from the interpretations of doctors. Qualitative investigation at an individual level related may help define patient expectations and therapeutic targets. Therefore, we aimed to explore this concept in exercising females of reproductive age.Methods: Exercising females (n = 403) who either (a) were currently experiencing iron deficiency, or (b) have experienced iron deficiency in the past were included. A survey comprising open-ended text response questions explored three ‘domains’: (1) the impact of iron deficiency, (2) the impact of iron tablet supplementation (where applicable), and (3) the impact of iron infusion treatment (where applicable). Questions were asked about training, performance, and recovery from exercise. Survey responses were coded according to their content, and sentiment analysis was conducted to assess responses as positive, negative, or neutral.Results: Exercising females showed negative sentiment toward iron deficiency symptoms (mean range = − 0.94 to − 0.81), with perception that fatigue significantly impacts performance and recovery. Iron therapies were perceived to improve energy, performance, and recovery time. Participants displayed a strong positive sentiment (mean range = 0.74 to 0.79) toward iron infusion compared to a moderately positive sentiment toward oral iron supplementation (mean range = 0.44 to 0.47), with many participa