Unrefined Salmon Oil as Dietary Supplement in Adult Asthmatics

Inclusion Criteria: * Asthma Global Initiative for Asthma (GINA) treatment grade 2-4 (only standard care of inhaled corticosteroid (ICS) and long-acting beta2-agonist (LABA), no additional treatment except as-needed short--acting beta2-agonist (SABA) * ACQ-5 score ≥0.75 * Diagnosed with asthma by medical doctor (general practitioner or pulmonary spesialist) * Eosinophils ≥ 150 µL * Speaks fluent Norwegian. * For female in fertile age, use of contraception or other indication for non-pregnancy. * Signed informed consent and expected cooperation of the participants for the treatment and follow up must be obtained and documented according to ICH GCP, and national/local regulations. Exclusion Criteria: * Treatment with oral corticosteroid \<1 month prior to baseline visit * Treatment with any biological medication, \<6 months prior to baseline visit * Oral/intravenous antibiotics \< 3 months prior to baseline visit * Consumption of fish oil (liquid, capsule, powder) as an oral supplement \< 1-month prior baseline visit * Known fish or shellfish allergy * Pregnancy and breast feeding * Participant in a confounding study * Inflammatory bowel disease (Chron, ulcerative colitis (UC), microscopic colitis), celiac disease, or any chronic disease that possibly affects intestinal absorption and morbidity * In case of severe cognitive impairment where the participants are not able to fulfill the study * Not willing to participate * Any reason why, in the opinion of the investigator, th…