Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review

Omega-3 rich foods like fish may lower diabetic retinopathy risk, but benefits may be greater for people with type 2 than type 1 diabetes, according to a recent analysis. Get the details in the Retinal Disease section of our Fish Oil Supplements Review, which includes our Top Picks among fish oil supplements.

Did taking DHA (an omega-3 fatty acid) reduce aggressive behavior in people with Alzheimer's disease? See what a recent analysis found in the Alzheimer's disease section of our Omega-3 (DHA & EPA) Supplements Review, which includes our Top Picks among omega-3 supplements from fish, krill, and algal oil.

Does taking high-dose DHA during pregnancy have cognitive benefits for infants? See what research suggests in the Pregnancy section of our Fish Oil Supplements Review, which includes our Top Picks fish oil supplement for pregnant women as well as our Top Pick among highly concentrated fish oils.

Did taking a relatively low dose of fish oil or krill oil reduce depression or anxiety in people with major depressive disorder? See what a recent study found in the Depression section of our Fish Oil Supplements Review, which includes our Top Picks among fish oil, krill oil, algal oil, and other omega-3 supplements.

Also see: What are the best supplements for depression and anxiety?

Many experts recommend intake of the omega-3’s EPA and DHA during pregnancy, but this may not be advisable during late pregnancy, as a new study found such intake to be associated with increased risk of postpartum hemorrhage. Get the details in the Concerns and Cautions section of our Fish Oil Supplements Review, which includes our Top Picks among fish oil supplements.

Also see our Top Picks among prenatal multivitamins.

Did adding chia seeds to the diet lower triglyceride levels? And how did this compare to fish oil supplementation? See what a recent study found in our Chia Seeds Review, which includes our Top Picks for chia seeds.

Also see our Top Picks among fish oil supplements, including highly concentrated products.

Did taking fish oil reduce the recurrence of depression? Find out what a recent study showed in the Depression section of our Fish Oil Supplements Review, which includes our Top Picks for fish oil.

Also see: What are the best supplements for depression and anxiety?

High-dose fish oil can increase bleeding risk, but this is most likely among people on certain medications, according to recent data. For details see the Concerns and Cautions section of our Fish Oil Supplements Review. Also see our Top Picks for fish oil.

Fish oil may help reduce symptoms of depression and anxiety, but the dose and level of EPA vs. DHA matters, according to several studies, including a recent one. Get the details in the Depression section of our Fish Oil Supplements Review, which includes our Top Picks for fish oil.

Also see: What are the best supplements for depression and anxiety?

People with gout are advised to limit intake of purine-rich foods, including certain fish. Should fish oil supplements also be avoided? Find out in the Gout section of our Fish Oil Supplements Review, which includes our Top Picks for fish oil.

Also see: "Which supplements and foods help with gout and which may worsen it?"

Can knee pain from osteoarthritis be reduced by a combination of krill oil, astaxanthin and hyaluronic acid? Find out what a recent study showed in the Osteoarthritis section of our Omega-3 Supplements Review, which includes our Top Picks for krill and fish oil supplements.

Also see: Which supplements help with arthritis?

For people already on a statin drug to lower cholesterol, does taking high-dose fish oil offer additional benefits? See what a new study found in the Taking With Statins section of our Fish Oil Supplements Review, which includes our Top Picks for high-concentration fish oils.

Also see: Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?

Did taking high-dose krill oil for 6 months reduce pain in people with osteoarthritis of the knee? See what a recent study found in the Arthritis section of our Omega-3 Supplements Review. Also see our Top Picks for krill and fish oils.

Also see: Which supplements help with arthritis?

Very high-dose fish oil has been shown to increase the risk of atrial fibrillation, a heart rhythm problem. A new study suggests why. Get the details in the Concerns and Cautions section of our Fish Oil Supplements Review.

Did taking fish oil decrease symptoms of major depression in young people? See what a new study found in the Depression section of our Fish Oil Supplements Review.

Also see: What are the best supplements for depression and anxiety?

Did consuming fish oil and chocolate improve cognition in people with cognitive decline? See what a new study found in the Cognitive Impairment section of our Fish Oil Supplements Review, which includes our Top Picks among fish oil supplements.

Also see: Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Does taking fish oil after dental "deep cleaning" reduce bleeding and pocketing around teeth in people with severe gum disease? Find out what a recent study showed in the Periodontitis section of our Fish Oil Supplements Review. Also see our Top Picks for fish oil.

Be aware that high-dose fish oil supplementation increases the risk of atrial fibrillation. Get the details in the Concerns and Cautions section of our Fish Oil Supplements Review.

Can supplementing with fish oil improve the likelihood of pregnancy among women with PCOS-related infertility? Find out what a recent study showed in the Infertility section of our Fish Oil Supplements Review. Also see our Top Picks for fish oil supplements.

Does supplementing with fish oil boost gains from resistance exercise? Find out what a recent study suggests in the Muscle, Strength and Falls section of our Fish Oil Supplements Review. Also see our Top Picks for fish oil.

Re-esterified triglyceride forms of fish oil are among the best absorbed forms. But even among these re-esterified forms, there can be differences. Find out what a recent study suggests in the Forms of Fish Oil section of our Fish Oil Supplements Review.

A recent study investigated how fish oil supplementation may help to reduce symptoms of rheumatoid arthritis. Get the details, and learn if fish oil can help with osteoarthritis and other inflammatory conditions, in our Fish Oil Supplements Review, which includes our Top Picks for fish oil.

Also see: Which supplements can help with arthritis?

A diet extremely high in fish oil caused hair loss in a recent study in mice. Should this be a concern for people? Find out in the Concerns and Cautions section of our Fish Oil Supplements Review, which includes our Top Picks for fish oil.

Also see: Do hair supplements, such as Viviscal, Hair La Vie, and Nutrafol, or topical essential oils work?

A CL member who was prescribed Vascepa to lower triglycerides asked if any fish oil supplements are comparable but less expensive. Find out which fish oil supplements are comparable to prescription omega-3s in our Fish Oil Supplements Review.

Fish Oil for Better Sleep? Does fish oil improve sleep in middle-aged men and women? See what a new study found in the What It Does section of our Fish Oil Supplements Review.

Also see our answer to the question: What are the best supplements or lifestyle modifications for insomnia, and which can make insomnia worse?

Does supplementing with high-dose fish oil improve muscle strength or endurance in older women and men? Find out what a recent study showed in the Muscle, Strength and Falls section of our Fish Oil Supplements Review.

Also see our article about supplements to consider using when exercising (and ones to avoid).

Is fish oil supplementation linked with irregular heart rhythm (i.e., atrial fibrillation)? Find out what a recent study showed in the Concerns and Cautions section of our Fish Oil Supplements Review.

Does adding high-dose fish oil to statin therapy help reduce "bad" cholesterol? Find out what a recent study showed in the Taking with statins section of our Fish Oil Supplements Review.

Should you be concerned about toxic PFAS (per- and polyfluoroalkyl substances) in fish oil supplements? Find out what a recent study suggests in the Contaminants in Fish vs. Supplements section of our Fish Oil Supplements Review.

Also see our CL Answer about PFAS.

Separate studies looked at whether or not taking fish oil can lower high cholesterol levels or reduce depression. See the details in our Fish Oil Supplements Review.

If you take a statin, read about the pros and cons of taking fish oil with statins.

Also see our article that discusses other supplements for high cholesterol.

A CL member asked if they should be concerned about microplastics in fish oil supplements. Find out in our Fish Oil Supplements Review.

Does adding omega-3 fatty acids to statin therapy reduce the risk of heart attack or death in people with high triglycerides? Find out what a recent study showed in the Use With Statins section of our Omega-3 Supplements Review.

Older people with high levels of the omega-3 fatty acid DHA were found to have a lower risk of developing Alzheimer's disease, according to a recent analysis. Does this mean that older people should be supplementing with DHA or fish or other marine oils? Find out in the Alzheimer's Disease section of our Fish and Marine Oil Supplements Review.

Can taking fish oil reduce dry eye in older men and women? Find out what a recent study showed in the What It Does section of our Fish Oil Supplements Review.

Also see our CL Answer about Supplements for Dry Eye.

Supplementing with vitamin D and omega-3 reduced the risk of invasive cancer in older men and women, according to a recent analysis. Adding resistance exercise further decreased this risk. Get the details in our Vitamin D Supplements and Fish and Marine Oil Supplements Reviews. 

Supplementing with krill appeared to improve muscle strength in older men and women in a recent study. See the Muscle, Strength and Falls section of our Fish Oil Supplements Review for details.

Can fish oil reduce the risk of being hospitalized due to heart failure? See what a major study found in the Heart Disease and Stroke section of our Fish Oil Supplements Review. Also, see our Top Picks for fish oil.

Can supplementing with DHA-rich fish oil help people with mild cognitive impairment? Find out what a recent study showed in our Fish Oil Supplements Review.

Also see our answer to the question: Do any supplements or foods help with brain function, like memory and cognition?

Does fish oil supplementation improve cognition in healthy people? See what a recent study showed in the Memory Enhancement in Healthy Individuals section of our Omega-3 Fatty Acid Supplements Review.

Also see our answer to the question: Do any supplements or foods help with brain function, like memory and cognition?

Can supplementing with fish oil reduce cardiovascular risk factors in people at high risk for heart failure? Find out what a recent study showed in the Heart Attack and Stroke section of our Fish and Marine Oil Supplements Review. Also see our Top Picks among fish oil supplements.

Can fish oil supplementation help reduce liver fat and fibrosis in people with non-alcoholic fatty liver disease (NAFLD)? Find out what a recent study suggests in the Liver Disease section of our Fish Oil Supplements Review.

Also see our article about Supplements for Fatty Liver Disease.

Can omega-3 supplementation help reduce falls in older men and women? See what a study found in the Muscle, Strength and Falls section of our Fish Oil/Omega-3 Fatty Acid Supplements Review. Also, see our Top Picks among fish oil supplements.

Does fish oil prevent depression? Find out what a recent study found in the Depression section of our Fish Oil and Omega-3 Supplements Review. Also see our Top Picks among fish oil supplements.

For information about other supplements promoted for depression, see our answer to the question: What are the best supplements for depression and anxiety?

Can high-dose fish oil increase the risk of bleeding in the eye? Get the details of a recently reported case in the Concerns and Cautions section of our Fish Oil Supplements review. Also see our Top Picks for fish oil.

You'll start seeing a new heart health claim on fish oil supplements as well as foods that provide the omega-3's EPA and DHA. While legal, the claim is a bit fishy. Get the details in the Fish Oil Supplements Review as well as the Canned Tuna and Salmon Review. Also see our Top Picks for fish oil supplements and canned fish.

As we have written before, by choosing an extremely concentrated fish oil supplement, you can get essentially the same type of fish oil as you would get from a prescription fish oil. But according to a recent study, fish oil supplements are more likely to be rancid (oxidized) than prescription fish oil. However, a closer look at the study by ConsumerLab staff suggests that this finding may be misleading, as explained in the "Quality Concerns" section of the Fish Oil Supplements Review >>