Clinical Research Directory

Inclusion Criteria: * Age: 18-35 years. * Body mass index: 18.5-30 kg/m2. * Ability to understand the instructions, objectives, and study protocol. * Minimum of 3 years of experience in crosstraining, with at least 6 hours of weekly training over the past 3 months. * Resident on the island of Tenerife. Exclusion Criteria: * History of a significant adverse cardiovascular event, renal insufficiency, cirrhosis, eating disorder, weight control surgical intervention, or type 2 diabetes mellitus. * Any chronic pathology in which the intake of nutritional supplements, especially pungent components, is not recommended. * Any condition that, in the investigator's judgment, would impair the ability to participate in the study or represent a personal risk to the participant. * Use of medications that may affect the study results. * Unstable body weight for 3 months prior to the start of the study (\> 4 kg loss or gain in weight). * Active tobacco abuse or illicit drug use, or history of treatment for alcohol abuse. * On a special diet or prescribed for other reasons (e.g., celiac disease).