The goal of this clinical trial is to learn about in brain fog complaints associated with long-COVID in people aged 22-50-years. The main questions it aims to answer are: * the natural course of brain fog complaints * the effect, if any of supplemental dietary oil on brain fog complaints Participants will be asked to undergo some brain testing (X-rays and questions. Treatments they'll be given will be one of two supplemental oils to consume daily. Researchers will compare outcomes in the two different oil groups to see if it has any effect on brain fog complaints.