8/07/2011

DHA in Pregnancy

The omega-3 fatty acid, DHA, is known to be important to fetal development and is recommended for pregnant woman. A new study suggests that DHA during pregnancy may reduce early colds in some infants. An update to the Fish Oil Supplements Review includes the dose and type of DHA used. More >>

10/27/2018

DHA for Toddlers?

Does giving the omega-3 fatty acid DHA to 1-year-olds born pre-term lead to improvements in cognitive development? Find out in the recent update to the What It Does section of the Fish Oil & Omega-3 Supplements Review -- and learn whether DHA use by pregnant women yields benefits for their children. (Also see our Top Picks for DHA.)

3/26/2017

DHA to Boost Children's IQ?

Supplementing with DHA during pregnancy has been touted as a way to increase the IQ of offspring, but results published this week seem to quash that hope. However, there may be other benefits, particularly for women with normally low intake of DHA, as discussed in the section "During Pregnancy: Effects on Children" in the Fish Oil and Omega-3 Fatty Acid Supplements Review >>

7/12/2022

Does DHA Lower Alzheimer's Risk?

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.

3/25/2017

DHA for Rheumatoid Arthritis?

A new study tested DHA from microalgae as a treatment for rheumatoid arthritis. The results are mixed. For details, see the "Rheumatoid Arthritis" section of the Fish Oil and Omega-3 Supplements Review >>

3/18/2020

EPA vs. DHA from Fish Oil

Some marine-based oils are higher in either EPA or DHA — key omega-3 fatty acids -- but does it matter? See what a recent study found in the What to Consider When Buying section of the Fish and Marine Oil Supplements Review. Also see our Top Picks among fish and marine oils.

10/28/2012

Fish Oil Helps Memory

A small study of healthy young women and men found that those with the highest levels of the omega-3 fatty acid DHA in their red blood cells scored better on a memory test than those with lower levels. After six months of supplementation with a certain fish oil supplement, scores improved -- particularly among those whose DHA levels had been lowest. See the Fish Oil (Omega-3) Supplements Review for details about this study, the particular supplement used, what fish oil can and cannot do, and our quality ratings of products. More >>

5/09/2011

Did you hear that DHA (an omega-3 fatty acid in fish oil) might raise the risk of prostate cancer?

This was recently in the news. Higher levels of DHA in the blood were associated with increased risk of high-grade prostate cancer. However, the findings do not mean that you should stop taking fish oil or eating fish. We talked with the researcher of this study and learned more. Get the facts in our Fish Oil Supplements Review. More >>

4/10/2011

Fish Oil and the Eye

A study of over 30,000 women showed that the risk of developing age-related macular degeneration (AMD) was reduced by up to 42% among those consuming the most fish and highest amounts of omega-3 fatty acids DHA and EPA. Find out the specific types and amounts of fish and the amounts of DHA and EPA associated with the greatest reductions in the risk of AMD. See the Fish Oil Supplements Review for more >>

7/16/2014

DHA for Periodontitis (Inflammation Around Teeth)

A new study found that giving DHA (from algal oil) along with low-dose aspirin led to greater reductions in local inflammation and pocketing around teeth than aspirin plus placebo. For more about the study, including dosage, and our tests and comparisons of algal oil supplements, see the Fish Oil and Omega-3 Fatty Acid Supplements Review (Including Krill, Algae, Calamari, Green-lipped Mussel Oil) >> 

10/04/2011

Fish Oil's Impact on Cognitive Decline

Cognitive decline may be a normal part of aging, but a new study suggests that high-dose fish oil particularly rich in DHA may provide some benefit. In people over age 65 with mild cognitive impairment, fish oil was associated with improved verbal skill. Perhaps as important, fish oil also reduced depressive symptoms, which can be a risk factor in the progression to dementia. Get the details, including how much DHA and EPA was used in the study, in the Fish Oil and Omega-3 Fatty Acid Supplement Review. More >>

11/11/2018

Mixed Results for EPA/DHA Fish Oil

Concentrated EPA/DHA fish oil given daily to a cross-section of Americans was not found to lower the risk of cancer or cardiovascular disease except for those with low fish intake and for African-Americans. See the details in the What It Does section of the Fish Oil Supplements Review. Also see which supplements are comparable to the fish oil in the study.

7/18/2024

Fatty Liver: Does Vitamin E or DHA Help?

Does taking high-dose vitamin E or the omega-3 fatty acid DHA reduce liver fat in people with fatty liver disease? Find out what a recent study showed in the Liver disease section of our Vitamin E Supplements Review.

Also see out article: Do any supplements help with fatty liver disease? Are some diets more beneficial than others?

2/13/2021

Which Form of Fish Oil Is Best Absorbed

The amount of omega-3 fatty acids (EPA and DHA) that you absorb when taking fish oil depends on the form of oil and/or when you take it. A new study suggests that a certain form is better absorbed than others. Get the facts in the Forms of Fish Oil section of our Fish Oil Supplements Review. Also see our Top Picks for fish oil.

8/23/2016

Omega-3s and Diabetic Eye Disease

Getting the omega-3 fatty acids EPA and DHA from eating fish is associated with a much lower risk of developing sight-threatening retinopathy in diabetics, according to a recently published study. The same benefit has been shown in non-diabetics. But do omega-3 supplements help? Find out in the "What It Does" section of the Fish Oil Supplements Review >>

10/08/2016

Omega-3s Drop in Farmed Salmon

Farmed salmon has historically provided more omega-3 fatty acids (EPA and DHA) than wild salmon. But new research shows this is changing, as discussed in the "Farmed vs. Wild Salmon" section of the Fish Oil Review >>

5/13/2015

Treating ADHD with Omega-3s?

A new study giving boys omega-3 fatty acids (EPA and DHA) showed modest improvement in an important aspect of Attention Deficit/Hyperactivity Disorder. For details about this and other studies with omega-3 fatty acid supplements, as well as our tests of products, see the Fish Oil and Omega-3 Fatty Acid Supplements Review >>

10/26/2021

Trout for Omega-3s?

Is trout a good alternative to tuna or salmon as a source of omega-3 fatty acids? It depends on the type of trout. Get the details in the Getting EPA and DHA from Food section of our Fish Oil Supplements Review. Also see our Top Picks for fish oil supplements and canned fish.

10/02/2020

Algal Oil for Attention?

Does algal oil high in DHA improve memory and attention in children? See what a new study found in the What It Does section of Fish and Marine Oil Supplements Review. Also learn about fish oil for enhancing memory in older people and those with age-related cognitive decline, and see our Top Picks for fish oil.

6/22/2021

DHA & Preterm Birth

Can the risk of preterm birth be reduced when pregnant women supplement with an the omega-3 fatty acid? See what a new study found in the What It Does section of our Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements, including prenatal products.

7/06/2022

Walnuts for Omega-3s?

Walnuts are often touted as a good source of the omega-3 fatty acid ALA, but can eating walnuts regularly increase blood levels of DHA and EPA (the omega-3s in fish oil)? Find out in the What It Is section of our Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review.

4/05/2022

Fish Oil for Mild Cognitive Impairment?

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?

6/10/2022

Supplements for Farsightedness?

Can a supplement improve vision in older people who develop trouble seeing up-close (i.e., presbyopia or age-related farsightedness)? See the study results for a supplement that included lutein, astaxanthin, bilberry and DHA in our Vision Supplements Review.

10/14/2012

What's the Best Omega-3 for Depression?

Recent studies suggest the relative amounts of EPA and DHA in a supplement help determine whether or not it will improve symptoms of depression. Get the details, as well as our tests of 63 omega-3 supplements, in the updated Fish Oil and Omega-3 Fatty Acid Supplements Review (Including Krill, Algae, and Calamari Oil). More >>

9/16/2012

Fish Oil Benefit Questioned

There are many potential benefits from supplementing with the omega-3 fatty acids found in fish oil, but the most widely-touted benefits -- reducing the risks of heart disease and stroke -- are now in doubt. Read about the latest studies in the update to the Fish Oil (EPA & DHA) Supplements Review, which includes our product tests and quality ratings. More >>

4/07/2013

Omega-3s Linked to Less Heart Disease and Longer Life

A study among older individuals who did not use fish oil supplements showed that those with higher levels of omega-3 fatty acids in their blood were far less likely to have a heart attack or arrhythmia and were 27% less likely to die during the 14-year study. The reserchers calculated how much EPA and DHA a person should consume to reach this higher blood level and noted that further increases yeild little additional benefit. Get the details, as well as how to get omega-3s from foods, in the updated Fish Oil Supplements Review »

1/08/2012

Additional Nutrients For the Brain

An new study found that various nutrients and fats in the blood correlate with better brain functioning and brain volume in the elderly (mean age of 87). Higher levels of B vitamins and vitamins C, D, and E, as well as marine omega-3 fatty acids (EPA and DHA) appeared helpful. On the other hand, higher levels of trans-fats (from hydrogenated oils) had a negative impact. You can learn more about each of these nutrients in our various reports. An abstract of the study is online.

9/21/2013

Fish Oil and Arthritis

A study of several thousand women found those who consumed at least a moderate of amount omega-3 fatty acids (EPA and DHA) from fish in their diets had just half the risk of developing rheumatoid arthritis over the course of the study than did women with lower intakes.  For details about the amount of omega-3's and fish consumption associated with preventing arthritis, other uses of omega-3's, and tests of fish/marine oil supplements, see the Fish/Marine Oil Supplements Review>>

11/03/2013

Too Much Fish Oil May Cause Adverse Effects

Recent animal studies using EPA and DHA from fish oil suggest that very high intakes may dampen immunity. Might you be getting too much? Find out in the update to the Fish Oil and Omega-3 Fatty Acid Supplements Review>>

5/03/2014

Does Fish Oil Help During Pregnancy?

A recent study shows that, at age 4, children born to women given DHA-rich fish oil during pregnancy do not fare better cognitively than other children. Other positive effects around the time of birth, however, suggest that supplementation may be worthwhile. For details, as well as our tests of fish oil supplements, see the Fish Oil and Omega-3 Fatty Acid Supplements Review (Including Krill, Algae, Calamari, Green-lipped Mussel Oil) >>   

8/31/2014

Taking Fish Oil with Sterols

A new study found that adding EPA and DHA from fish oil to a spread containing plant sterols is not a problem and may provide additional benefit for those with high cholesterol levels. For more information, including dosage amounts, see the update in the Review of Cholesterol-Lowerers >> 

3/06/2015

Green Lipped Mussel Oil Reduces Pain and Inflammation After Exercise

Green-lipped mussel oil (a source of omega-3 fatty acids EPA and DHA) significantly reduced pain and inflammation days after exercise in young healthy men, compared to a placebo, according to a new study. For details, and ConsumerLab.com tests of the product used in the study, see the Fish Oil and Omega-3 Fatty Acid Supplements Review >> 

10/03/2015

Fish Oil for Depression

A small study found that taking EPA and DHA daily significantly reduced depression in young men and women. Get the details, including dosage, plus our tests of popular products, in the Fish Oil and Omega-3 Supplements Review >>

9/20/2016

Omega-3 and -6 Improves Reading Skills in Children

A combination of the omega-3 fatty acids EPA and DHA plus an omega-6 fatty acid improved reading skills and comprehension in school-age children. For details, including dose, see the "What It Does" section of the Fish Oil and Omega-3 and -7 Supplements Review >>

3/12/2019

Bioengineered Salmon Approved

As of this month, genetically engineered salmon can be legally sold in the U.S. Learn how it compares to other salmon in terms of EPA and DHA in the Farmed vs. Wild Salmon section of our Fish Oil Review. (Also see the results of our tests of canned fish in the separate Canned Tuna and Canned Salmon Review.)

1/28/2017

Omega-3s for Cognitive Decline

Daily supplementation with the omega-3s DHA and EPA modestly improved cognitive function in older men and women with mild cognitive decline. Get the details in the "What It Does" section of the Fish Oil Supplements Review (which includes our tests of products) >>

1/31/2017

Omega-3s for Arthritis

A review of twenty-two clinical studies using omega-3 fatty acid supplements from various marine sources (fish oil, mussel oil, etc.) found they could be effective in reducing rheumatoid arthritis pain, particularly when the oils had a certain ratio of EPA to DHA. The oils were not effective for osteoarthritis. For more details, see the "What It Does" section of the Fish Oil Supplements Review (which includes our tests of products) >>

12/20/2017

Can Fish Oil Help Statins?

Adding fish oil to cholesterol-lowering statin therapy was found to provide added benefit in certain situations. See the details, including dosage of EPA and DHA, in the "What It Does" section of the Fish Oil Supplements Review > (Also see our Top Picks for fish oil supplements).

7/21/2020

Omega-3s and the Brain

To raise levels of DHA and EPA in the brain, large doses are needed according to a recent study. Even larger doses are needed by people with a gene associated with increased risk of Alzheimer's. While the study did not show an effect on people's cognitive scores, it may help explain why some studies with fish oil show little effect. For details, see the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks among fish oils.

6/29/2019

Fish Oil Heart Claim

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.

8/31/2011

Suicide and Omega-3

A new study found the risk of suicide was 62% higher among people with low levels of the omega-3 fatty acid DHA in their blood as compared to those with higher levels. An update to the Fish Oil Supplements Review includes the details. More >>

5/22/2011

Fish Oil Helps Treat Depression

A recent study showed that fish oil taken daily was associated with a remission of depression in 41% of people taking the supplement. The patients were women in a nursing home setting. The dose given was fairly high but treatment was well tolerated. The amounts of EPA and DHA taken daily and more information are found in our Product Review of Fish Oil Supplements. More >>

4/08/2017

Omega-3s for Age-Related Cognitive Decline?

A recent study found DHA and EPA from fish oil did not slow cogntive decline in older adults with cognitive difficulties. However, other studies suggest there may be a benefit if taken before the onset of cognitive decline or dementia. For details, see the "Age-Related Cognitive Decline" section of the Fish Oil and Omega-3 Fatty Acid Supplements Review >>

4/14/2018

Fish Oil for Dry Eye?

A major study evaluated the effects of supplementing with the omega-3 fatty acids EPA and DHA in people with dry eye. Get the results and details in the What It Does section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oil supplements).

9/25/2018

Fish Oil Drug May Help

High doses of fish oil highly-concentrated in EPA and/or DHA are known to lower elevated triglycerides. But can they reduce the risk of cardiac events, such as heart attack? Preliminary results from a new study suggest that one product can — at least in certain people. Get the details in the Prescription Fish Oil vs. Supplements section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oil supplements.)

10/24/2024

Omega-3 Supplements & Hemorrhage Risk

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.

2/21/2024

Omega-3s for Preventing Preterm Birth

Some new guidelines suggest getting specific amounts of the omega-3s DHA and EPA during pregnancy. Get the details, including how to tell if your intake is too low and when to start supplementation, in the Pregnancy section of our Fish Oil Supplements Review, which includes our Top Picks among omega-3 supplements.

10/31/2023

Fish Oil for Depression & Anxiety?

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?

1/17/2016

Omega-3's and Cognition

Studies in older individuals have shown that omega-3 fatty acid intake from fish oil may improve certain areas of mental functioning and reduce age-related cognitive decline. Benefits have also been found in younger individuals.

A study has been underway which evaluates the effects of krill oil in adolescents with lower educational performance. It was recently reported that baseline testing (before starting krill) of the students showed a positive association between levels of EPA + DHA in their blood and performance on some, but not all, measures of cognitive performance. Get the details in the Fish Oil and Omega-3 Fatty Acid Supplements Review (Including Krill, Algae, Calamari, Green-lipped Mussel Oil) >>