A complete safety, timing, and dosage guide for combining Evening Primrose Oil (GLA) with Krill Oil — including how the two supplements interact, the best time of day to take each, and which populations should be careful.
Yes, you can take krill oil and evening primrose oil together. They complement each other well because the omega-3s in krill oil and the GLA in evening primrose oil work through different pathways to support healthy inflammation balance.
Taking krill oil and evening primrose oil together is a safe, complementary combination. The omega-3s in krill oil and GLA in evening primrose oil may actually enhance each other's anti-inflammatory effects, especially for skin and hormonal health.
Krill oil provides EPA and DHA omega-3s, while evening primrose oil supplies gamma-linolenic acid (GLA), an omega-6 fatty acid. Once in the body, GLA is quickly converted to DGLA, which competes with arachidonic acid for the enzymes that produce inflammatory eicosanoids. The EPA from krill oil further reduces levels of arachidonic acid and its metabolites. This one-two effect helps shift the body's eicosanoid balance away from pro-inflammatory signaling. Additionally, krill oil's EPA/DHA are carried on phospholipids, which may help these fatty acids incorporate into cell membranes more efficiently than triglycerides.
For best absorption, take both krill oil and evening primrose oil with a meal that contains fat—ideally breakfast or lunch. I tell patients to take them together at the same time for convenience; there is no need to space them apart. If you miss a dose, just skip it and take the next scheduled dose; don’t double up. A common effective dose is 1,000 mg krill oil and 500 mg evening primrose oil (providing about 40-50 mg GLA) daily. Given that both have mild blood-thinning effects, let your surgeon know before any procedure.
Krill oil naturally delivers EPA/DHA as phospholipids, which tend to be absorbed and incorporated into cell membranes better than the ethyl ester forms found in some fish oils. For evening primrose oil, look for a product that standardizes at least 8-10% GLA. Both oils have a chemical structure that benefits from refrigeration to prevent oxidation.
This pair is frequently found in women’s health formulas that combine omega-3s with GLA, often alongside chasteberry (vitex) and vitamin B6 for PMS support. Some joint-health brands also combine krill oil with GLA and glucosamine.
Yes, you can. I usually take them together with my breakfast because they're both fat-soluble. There's no known negative tug-of-war between them.
Yes, it is safe to take them daily at recommended doses. Many women take both throughout the month for skin and mood support. Just keep your total omega-3s and GLA within the label amounts.
You don't need to wait. Take them together with a meal, or within a few minutes if you prefer to take them separately.
No, they don't compete in a meaningful way. When taken with food, both are absorbed effectively; the body can handle moderate amounts of both omega-3s and omega-6s without issue.
Avoid the combination if you're allergic to shellfish, if you're on high-dose blood thinners, or if you have a bleeding disorder. I also advise checking with your doctor if you have hormone-sensitive conditions such as breast or ovarian cancer, since GLA can affect hormone signaling.
Always take them with food—ideally a meal that includes at least 5 to 10 grams of fat. That increases absorption and reduces any chance of stomach upset.
Reviewed by Caroline M. on April 8, 2025 for accuracy against the sources listed above. This page is educational and is not a substitute for professional medical advice.
The matrix has 86 supplements and 7310 pairwise interactions. Click any cell to see the full breakdown.