Study to Evaluate the Effects of XXS on Oxidative Stress in Patients With Mild or Moderate Hyperlipidemia

Inclusion Criteria: * Persons who have provided written consent * Persons aged over 18 years * Presenting LDL levels between 1.30 and 1.90 g/l and/or triglyceride levels between 1.5 and 3 g/l Exclusion Criteria: * Persons without national health insurance cover * Pregnant or breastfeeding women * Adults under guardianship * Patients with diabetes (Insulin-Dependent Diabetes (IDD) or Non-Insulin-Dependent Diabetes NIDD) * Patients with coronary artery disease * Patients with atherosclerosis * HDL\>0.80 g/l * receiving treatment with lipid-lowering agents (statins, fibrates, ezetimibe or Ω3) * Consuming vitamin supplements (A, C, E…) * Consuming oligoelements or minerals (Se, Zn, Ca…) * Renal insufficiency (creatinine clearance \< 30 ml/min calculated according to the Modification of the Diet in Renal Disease (MDRD))