Fish oil
Fish oil provides the omega-3 fatty acids EPA and DHA. Evidence is strong for lowering triglycerides and mixed-to-modest for depression (with EPA-predominant formulas performing best as an adjunct). Large trials have largely not supported routine fish oil for preventing cardiovascular events or cognitive decline in well-nourished populations. It is generally safe.
Too little may be associated with
Less omega-3 support.
Too much may be associated with
High doses: bleeding risk, GI upset.
Informational only — not medical advice.
Benefits
Rich in EPA and DHA omega-3s that lower triglycerides and support cardiovascular and brain health.
Risks
May cause fishy burps, GI upset, and a mild increase in bleeding time at high doses; check for oxidation and contaminants. High-dose prescription forms need supervision.
Informational only — not medical advice.
Where to buy
Popular Fish oil products on Amazon. Not medical advice — talk to a clinician before starting a supplement.
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Research (7)
- Pharmacological interventions for pruritus in adult palliative care patients Boehlke et al. (2023) Full text ↗ PubMed ↗
- Fish-oil supplementation decreases Indoleamine-2,3-Dioxygenase expression and increases hippocampal serotonin levels in the LPS depression model Carabelli et al. (2020) Full text ↗ PubMed ↗
- Autism Parr (2010) Full text ↗ PubMed ↗
- Attention-deficit-hyperactivity disorder: an update Pliszka et al. (2009) Full text ↗ PubMed ↗
- Autism Parr (2008) PubMed ↗
- Familial Lipoprotein Lipase Deficiency Adam et al. (1993) PubMed ↗
- Von Willebrand Disease Adam et al. (1993) PubMed ↗
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