Diet and Cardiometabolism in Rosario

Inclusion Criteria: * Adults aged 18 to 65 years. * Residence in the city of Rosario or surrounding areas. * Without major diseases. * BMI \>18.5 and \<30. * Adherence to a vegan, vegetarian, or omnivorous diet for at least 1 consecutive year at the time of recruitment. Exclusion Criteria: * Acute or chronic diseases (cancer, infections, heart disease, or others), gastrointestinal disorders affecting diet, diabetes mellitus, chronic kidney or liver disease, or any other condition that could affect study outcomes. * Food allergies or intolerances that substantially affect the individual's usual diet. * Pregnant or breastfeeding women. * High-performance athletes (\>15 hours per week of high-intensity physical activity). * Use of medications that could affect study outcomes, including antihypertensives, lipid-lowering drugs, hypoglycemic agents, glucocorticoids, and anti-obesity drugs. Note: vitamin, mineral, or other dietary supplements are not exclusion criteria. * Problematic use of alcohol or other drugs. * Simultaneous participation in another clinical trial. * Inability (physical or psychological) to perform the procedures required by this study. * Blood transfusions within the last 3 months.