Omega-3 and Omega-6 Fats: What They Do for Heart Health in Diabetes
This review looked at how omega-3 and omega-6 fatty acids relate to heart disease risk in people with diabetes, a group that faces higher cardiovascular risk overall. The authors pulled together findings from recent cardiovascular outcome trials to see which types of omega-3 formulations, if any, showed a meaningful effect.
The results were mixed. High-dose, purified EPA (a specific omega-3) reduced cardiovascular events in certain high-risk groups, while lower-dose combinations of EPA and DHA generally did not show much benefit in trials. This suggests that dose and formulation may matter a great deal when it comes to omega-3 supplementation and heart outcomes.
Evidence on omega-6 fatty acids was much thinner, with most existing studies focused on cholesterol and other lipid markers rather than actual heart attacks, strokes, or other cardiovascular events. When omega-6 fats replace saturated fats in the diet, they appear neutral to potentially helpful, but their direct effect on cardiovascular outcomes specifically in people with diabetes is still unclear.
What this means for you
If you have diabetes and are considering omega-3 supplementation for heart health, this review suggests that not all omega-3 products are studied equally — dose and formulation (like purified EPA versus mixed EPA/DHA) may influence outcomes differently. The research is still evolving, especially for omega-6 fats, so this is a good topic to discuss with a healthcare provider based on your individual risk factors.
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Current diabetes reports · 2026-09-14 · DOI: 10.1007/s11892-026-01644-3
Read the original source ↗This summary is for educational purposes only and is not medical advice. Always talk to your healthcare provider before making changes to your supplement routine.