Inclusion Criteria:  Patients with a solid cancer under active Anticancer Treatment (including Chemotherapy, Immunotherapy, Hormone Therapy, Targeted Therapy) Informed consent signature  Exclusion Criteria:  Allergies to fish Vitamin, Antioxidants consumers and who would no accept to stop taking them 1 week before and during the study Disphagia Bilirrubin higher than 1.5 Upper Normal Limit (UNL)/ Creatinin > 1.5 UNL Severe organic dysfunction Cardiac dysfunction Cholangitis/ Biliary tract obstruction Immunodeficiency or Immflamatory disease (HIV, Inflammatory Bowel Disease, Collagenosis) Dementia or Psychiatric severe disease Pregnancy or Breastfeeding Previous diseases that interfere lipid carrier absorption