Abstract Disclosure: N.N. Hupalowski: None. C.P. Rocha: None. S.Z. Fidalski: None. C.L. Boguszewski: Consulting Fee; Self; Recordati. Research Investigator; Self; Crinetics. Speaker; Self; Ipsen, Novo Nordisk. V.Z. Borba: None. Acromegaly is a chronic disease characterized by increased levels of growth hormone (GH) and insulin-like growth factor 1 (IGF-1). These patients exhibit increased skeletal muscle mass but poorer performance in functional physical assessments. Certain nutrients are important for both muscle mass and strength, as well as for maintaining an anti-inflammatory state in the body. Objective: To assess the correlation between nutrient intake and physical performance in patients with acromegaly. Patients and Methods: An observational, cross-sectional study of patients with acromegaly matched 1:1 by sex and age with a control group. Patients underwent analysis of dietary patterns using the validated Food Frequency Questionnaire (FFQ), and physical performance and strength were measured using Hand Grip Strength (HGS), 5 Times Seat to Stand Test (STST), Time Up and Go (TUG), and Short Physical Performance Battery (SPPB) tests. Results: It was evaluated 47 patients (54.1% women; mean age 56.3 ± 11.6 years), which were compared with 36 controls (53.9% women; mean age 56.7 ± 13.4). There was no difference between groups in HGS evaluation. The performance of patients with acromegaly were poorer in the STST, SPPB and TUG. Better performance was associated with selenium (p=0.045), vitamin E (p=0.034), flavonol (p=0.02) and vitamin A (0.024) intake. Conclusion: Physical performance is compromised in patients with acromegaly, especially in lower limbs, and it was associated with lower consumption of selenium, vitamin E, flavonol and vitamin A. Presentation: 6/2/2024