The modern diet has an extraordinary omega-6 to omega-3 imbalance — often 20:1 or higher, compared to the ideal 4:1. This imbalance drives systemic inflammation. On keto, correcting this ratio is achievable through diet and supplementation.
Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are the biologically active forms found in fatty fish and fish oil. ALA from plant sources (flaxseed, walnuts) converts to EPA/DHA very poorly — at only 5–15% efficiency.
Reduced systemic inflammation (amplifying keto’s own anti-inflammatory effects), improved triglyceride reduction (keto alone lowers triglycerides significantly; omega-3 further reduces them), enhanced cognitive function, and improved mood and depression markers.
Aim for 2–4g combined EPA+DHA daily. Most standard fish oil capsules contain only 300mg EPA+DHA — you would need 7–14 capsules. Choose a concentrated pharmaceutical-grade fish oil or krill oil for efficiency.
Aim to eat fatty fish 3–4 times per week. Explore our omega-3 rich keto mains featuring salmon, mackerel, and sardines. Supplement on days you do not eat fish. Pair with omega-3-rich keto salads.
Fish oil is one of the most evidence-backed supplements available. For keto dieters, it is a foundational addition to the protocol.