Efficacy of Protein Supplementation in Preventing Muscle Mass Loss During the Weight Loss Process.

Inclusion Criteria: * Participants of both sexes aged between 25 and 60 years. * Ability to understand and accept participation in the study, indicated by signing the Informed Consent Form approved by the Ethics Committee. * Good health status, determined by the absence of significant findings in medical history, physical examination, laboratory tests, and vital sign measurements. * Agree to comply with the planned study procedures and attend visits. * Participants with the capacity and motivation to perform resistance training 3 to 5 times per week (150 to 200 minutes/week); - Participants with a body mass index (BMI) ≥ 27.0 kg/m². Exclusion Criteria: * Known allergy to components of the investigational product or placebo; * History of chronic use in the last 3 months or current use of medications or substances that affect the muscular system; * Current history of type 1 or 2 diabetes mellitus, gastrointestinal, cardiovascular, renal, or hepatic diseases, or malignant neoplasm, considered clinically significant at the physician's discretion. * Abuse of illicit drugs or alcohol, as clinically assessed by the investigator during screening. * Having participated in a clinical study in the last 12 months at the investigator's discretion. * Having any condition that prevents participation in the study at the investigator's discretion.