Inflammation does not only live in your joints. It can also show up in your mood — fog, heaviness, or feeling low for no clear reason.
Omega‑3 fats, especially EPA, have been studied as a support for people with depression.
What the research found
Meta-analyses of clinical trials suggest that EPA-rich omega‑3 formulas (often about 1–2 grams of EPA per day, with EPA making up most of the blend) can ease depressive symptoms for some people with clinical depression.
Guidelines from nutritional psychiatry researchers also highlight EPA-forward formulas as the best-studied option.
This is not a replacement for care from a doctor or therapist. It is one piece of the picture.
What this means for you
If mood is a concern, talk with your clinician. Meanwhile, choosing more seafood and fewer heavy fry oils is a gentle daily habit that may support how you feel.
References
- Hallahan B, et al. Efficacy of omega-3 highly unsaturated fatty acids in the treatment of depression. British Journal of Psychiatry. 2016. https://pubmed.ncbi.nlm.nih.gov/27103682/
- Guu T-W, et al. International Society for Nutritional Psychiatry Research Practice Guidelines for Omega-3 Fatty Acids in the Treatment of Major Depressive Disorder. Psychotherapy and Psychosomatics. 2019. https://doi.org/10.1159/000502652
- Kelaiditis CF, et al. Effects of long-chain omega-3 PUFAs on reducing anxiety and/or depression in adults. Prostaglandins, Leukotrienes and Essential Fatty Acids. 2023. https://doi.org/10.1016/j.plefa.2023.102572