Anti-Inflammatory Diet in BRC Patients on Aromatase Inhibitors

Inclusion Criteria: * Age: 45 to 70 years * Postmenopausal women * Histologically confirmed BRC, stage I to IIIa * ER positive /HER2 negative * Application of adjuvant hormone therapy with aromase inhibitors: 6 to 30 months * Body mass index from 20 to 34.9 kg/m 2 * Able to understand the requirements of the study and provide written information consent Exclusion Criteria: * Metastatic or locally advanced disease * HER2-positive tumors * Presence of other malignant or serious chronic diseases * Active infections * Previous stroke or heart attack, * Rheumatoid arthritis and other types of autoimmune diseases * Presence of a significant neurological deficit * Dementia * Allergy to the ingredients of the dietary preparation or to fish, fish oil and nuts fruits. * Allergies to evening primrose oil or other oils containing gamma-linolenic acid (borage, black currant) * Use of lipid-lowering drugs (statins, Normolip) * Current use of warfarin or other anticoagulants * Corticosteroid therapy for the last month * Use of dietary supplements based on fish oil, evening primrose, and flaxseed oils, omega 3-6-9 fatty acids, multivitamins with added omega-3 of fatty acids 3 months before the start of the study