A member asked:

Please share an interesting fact about fish oil.

100 doctors weighed in across 92 answers

Omega-3: Omega-3 fish oil is helpful in dry eyes.

Answered 9/29/2016

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Dr. Thomas Namey answered

Specializes in Rheumatology

Fish: Fish is brain food, especially the young. Omega-3s in fish oil contain dha which helps young brains!

Answered 7/19/2014

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Eat: Eat fish twice a week- it is better than taking fish oil, and people who eat fish have less heart dz.

Answered 5/1/2013

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Add: Add omega-3, fish oil or flaxseed oil to your diet for healthy skin and hair.

Answered 1/3/2014

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Dr. Marybeth Lambe answered

Specializes in Travel Medicine

Omega: Omega 3's are good for your heart & they may help cancer, asthma, depression, autoimmune diseases.

Answered 9/29/2016

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All: Myth: all fish oil is the same. Actually, fish oil eaten naturally in fish is better than pills.

Answered 11/6/2017

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Instead: Instead of fish oil, try flaxseed oil.

Answered 9/29/2016

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Some: Some people believe its proven to give more benefit than is actually so.

Answered 5/19/2014

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Dr. William Cromwell answered

Specializes in Clinical Lipidology

Only: Only 10% of flaxseed is converted to omega-3. Thus, flaxseed is a poor source of omega-3.

Answered 6/19/2014

5.2k views

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Dr. William Cromwell answered

Specializes in Clinical Lipidology

DHA: Dha + epa increases ldl-c. Epa only does not increase ldl-c.

Answered 4/11/2013

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Recent: Recent study shows higher omega-3 levels (from fish oil) linked to lower risk of dying over 16 yrs.

Answered 4/7/2013

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Dr. Thomas Wright answered

Specializes in Phlebology

No: No evidence that taking the supplement is the same as eating a healthy diet with oily fish in it.

Answered 2/23/2014

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Dr. Klaus d Lessnau answered

Specializes in Pulmonary Critical Care

Eat: Eat fish twice a week. It is certainly more tasty.

Answered 9/29/2016

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Dr. Thomas Namey answered

Specializes in Rheumatology

Flax: Flax seed oil. Richer in 3-omega (50% by weight) with no bad taste. Does not contain dha omega-3 though!

Answered 9/29/2016

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Dr. Thomas Namey answered

Specializes in Rheumatology

That: Myth: fish oil contains mercury and other heavy metals. Not if from fish low on the food chain!

Answered 9/29/2016

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Dr. John Baker answered

Specializes in Neurology

Fish: Fish oil and omega 3 sources are much better absorbed if obtained from food sources. Fish, flax, nut.

Answered 5/24/2014

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Dr. William Harris answered

Specializes in Family Medicine

As: As opposed to common belief, otc fish oil does nothing to lower cholesterol nor triglyceride levels.

Answered 7/18/2013

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The: The best way to get fish oil is to eat fish. If you are limiting total fats, bake or broil, not fried.

Answered 7/16/2013

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Consume: Consume a fish high in natural omega 3 fatty acids 2/3 times per week. Be careful about which type.

Answered 6/10/2014

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Dr. Jack Farr answered

Specializes in Orthopedic Surgery

Myth:: Myth: all fish oils are the same. Reality: not all use small replenishable fish.

Answered 8/5/2014

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Dr. Bryan McIntosh answered

Specializes in Plastic Surgery

Chia: Chia seeds are a plant-based source rich in omega-3 fatty acids.

Answered 7/13/2015

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Dr. Peter Ihle answered

Specializes in Orthopedic Surgery

Supplements: Supplements have fewer calories.

Answered 9/29/2016

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Fish: Fish oil is available as a liquid that can be easier and more pleasant to take than several capsules.

Answered 9/29/2016

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Dr. John Michalski answered

Specializes in Orthopedic Surgery

Purified: Purified omega can decrease joint pain, improve mental clarity, improve skin quality & protect gut.

Answered 9/29/2016

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Dr. John Michalski answered

Specializes in Orthopedic Surgery

Most: Most fish oils have impurities and won't help as much as purified omega.

Answered 9/29/2016

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Dr. John Michalski answered

Specializes in Orthopedic Surgery

Myth:: Myth: all fish oils are the same. Fact: they vary in purity, epa, dha, omega 3, omega 6, & more.

Answered 5/17/2014

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Dr. John Michalski answered

Specializes in Orthopedic Surgery

If: If allergic to fish oil, consider flaxseed oil.

Answered 9/29/2016

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Flax: Flax seed oil has omega 3 too and can be cheaper than fish oil capsules.

Answered 9/29/2016

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Dr. Carla Enriquez answered

Specializes in Pediatrics

Large: Large population studies show no benefit from fish oil in cardiovascular or neurologic health.

Answered 9/29/2016

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Dr. Carla Enriquez answered

Specializes in Pediatrics

MYTH:: Myth: using fish oils will prevent cardiovascular or brain disease. Large studies show it doesn't.

Answered 5/23/2014

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Dr. Carla Enriquez answered

Specializes in Pediatrics

Instead: Instead of fish oil, exercise, don't smoke and eat wisely.

Answered 7/30/2013

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Dr. Tod Haller answered

Specializes in Ophthalmology

Not: Not everyone needs it! ask your doctor if you need it.

Answered 12/8/2013

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Dr. Tod Haller answered

Specializes in Ophthalmology

First: First make sure you need it or would benefit from it. Ask your doctor.

Answered 4/5/2014

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Fish: Fish oil is not all created equal. Quality control often lacking. Look for USP certified fish oil.

Answered 1/15/2015

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Dr. Peter Ihle answered

Specializes in Orthopedic Surgery

Eat: Eat more fish or try flaxseed oil. Fish oil is better.

Answered 8/4/2013

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Dr. Oscar Novick answered

Specializes in Pediatrics

Fish: Fish oil is important in brain development in young children.

Answered 6/7/2014

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Dr. Gregory LaMorte answered

Specializes in Periodontics

Fish: Fish do not produce omega-3 fatty acids, but instead accumulate them by consuming micro-algae.

Answered 9/29/2016

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Dr. Gregory LaMorte answered

Specializes in Periodontics

Dietary: Dietary sources are cold water oily fish, such as salmon, herring, mackerel and sardines.

Answered 9/29/2016

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Dr. Milton Alvis, jr answered

Specializes in Preventive Medicine

The: The key beneficial fatty acid, eicosapentaenoic acid, is from phytoplankton & only collected by fish.

Answered 7/13/2013

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Dr. Milton Alvis, jr answered

Specializes in Preventive Medicine

The: The beneficial fats originate in phytoplankton and are not produced by fish.

Answered 7/13/2013

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Fish: Fish oil lowers triglycerides but sadly does not lower risk of heart attack.

Answered 1/4/2015

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All: It's a myth that: all fish are high in fish oil.

Answered 8/8/2013

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Dr. Thomas Wright answered

Specializes in Phlebology

Tuna:esp: Tuna (esp. Yellow fin), shark, and sea bass have lots of omega-3 but also high mercury. Eat wisely.

Answered 12/17/2014

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Dr. Tim Conrad answered

Specializes in Ophthalmology

All: All fish contain oil, but oily fishes - salmon, tuna, mackerel - contain much more.

Answered 5/14/2014

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Fish: Fish oil supplements can be used to treat mild adhd. Use omega 3 supplements.

Answered 9/29/2016

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Dr. Alan Ali answered

Specializes in Psychiatry

Flaxseed: Flaxseed oil is worth trying.

Answered 2/18/2014

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Dr. Jeffrey Wint answered

Specializes in Hand Surgery

Fish: Fish oil does not control weight. It is a supplement to be taken in small amounts.

Answered 7/20/2014

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All: Not all fish oil will make your "burps" taste fishy. Most formulas today are made to prevent this.

Answered 5/27/2014

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Dr. Andrew Lipton answered

Specializes in Holistic Medicine

Regular: Regular use of fish oils can reduce inflammation in joints.

Answered 9/29/2016

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Dr. Andrew Lipton answered

Specializes in Holistic Medicine

Vegetarians: Vegetarians may want to take peo(parent essential oils), or seed oils instead of fish oils.

Answered 8/18/2013

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If: If you like fish, eat wild caught fresh salmon, halibut, lake trout, mackerel , & blue fin tuna 2/wk.

Answered 2/3/2014

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Dr. Soren Singel answered

Specializes in Neurosurgery

Cold: Cold water fish: sardines, anchovies, wild salmon are a much better source for dha etc.

Answered 8/17/2014

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Dr. Soren Singel answered

Specializes in Neurosurgery

Is: Is often sourced from warm water fish which does not contain much dha. Eat the fish instead.

Answered 8/25/2013

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Found: Found not only on fish but on walnuts, almonds and flax too.

Answered 5/11/2014

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Dr. Harold Peltan answered

Specializes in Ophthalmology

You: You can buy fish oil capsules to take if fresh fish are not available in your area.

Answered 9/3/2014

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Dr. Harold Peltan answered

Specializes in Ophthalmology

Fish: Fish from cold waters are more likely to be high in beneficial omega-3 fatty acids.

Answered 9/4/2013

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Flax: Flax seed is high in omega-3 fatty acids. No odor or guilt.

Answered 12/30/2013

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The: The two important omega-3 fatty acids in fish oil are dha and epa.

Answered 9/13/2013

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Taking: Taking fish oil by mouth can help with your dry eyes! it takes approx 2-3 months to have an effect.

Answered 9/8/2013

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Dr. Su Fairchild answered

Specializes in Integrative Medicine

Eat: Eat chia seeds, flax seeds. Use blackcurrant seed oil.

Answered 3/7/2014

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Dr. Marsha Davis answered

Specializes in Internal Medicine

If: If you can't tolerate fish oil eat salmon fish rich in omega 3 fish oils without the side effects.

Answered 9/10/2013

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Dr. Olivia Liao answered

Specializes in Ophthalmology

Flax: Flax seed meal is a great source of omega3 which works well in conjunction with fish oil.

Answered 4/30/2015

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Increasing: Increasing dietary intake of omega-3 containing fish.

Answered 11/6/2013

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Dr. Marsha Davis answered

Specializes in Internal Medicine

Fish: Myth: fish oil is a great necessary supplement for all people.

Answered 5/24/2014

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Dr. Erica Bial answered

Specializes in Pain Management

MYTH:: Myth: fish oil is health supplement, eat lots. Truth: new evidence suggests it may not be healthy.

Answered 9/16/2013

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Dr. Erica Bial answered

Specializes in Pain Management

Whole: Whole food vegetable based omega-3 sources may be healthier - like flax, chia, and walnuts.

Answered 6/21/2015

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Dr. Ramon Garcia-septien answered

Specializes in Sports Medicine

No: No important side effect for his intake.

Answered 4/24/2015

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Dr. Ramon Garcia-septien answered

Specializes in Sports Medicine

Intake: Intake of fish oil reduce the risk of cardiovascular diseases.

Answered 4/24/2015

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Dr. Mohammed Parvez answered

Specializes in Internal Medicine

Breast: Breast milk contains long chain fatty acids, good for brain development in children.

Answered 5/13/2014

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Ignore: Can try putting fish oil capsules in the freezer to lessen the taste and smell.

Answered 11/16/2013

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Ignore: Make "fish burps" disappear by freezing your fish oil supplements and taking them frozen!

Answered 12/6/2013

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Dr. Peter Ihle answered

Specializes in Orthopedic Surgery

Ignore: It's a myth that: fish oil capsules have a bad aftertaste and lots of calories.

Answered 6/30/2014

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Fish: Fish oil seems to be of no benefit to people who take a statin. It causes increased prostate cancer.

Answered 12/10/2013

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Ignore: "udo's oil" created by the worlds expert on omega 3, 6, 9 is a combination of plant derived oils.

Answered 12/15/2013

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Ignore: Eat the real thing. You don't necessarily have to get your fish oil from a tablet or a liquid. You can put plenty of fish in your diet.

Answered 9/29/2016

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Ignore: There are plenty of fish oil formulations available that have no fishy aftertaste.

Answered 5/3/2014

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Dr. Steven Charlap answered

Specializes in Holistic Medicine

The: The best source for fish oil is fish. Try wild salmon, cod, herring, halibut, and sardines.

Answered 1/5/2014

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Fish: Fish oil, when used with a statin, reduces triglycerides, raises hdl, but does not reduce strokes.

Answered 1/23/2014

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Fish: Fish oil, taken with a statin, does not reduce heart attacks or strokes. No benefit.

Answered 1/23/2014

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Dr. Martin Fried answered

Specializes in Nutrition

Ignore: Walnuts and almonds are healthy substitutes for fish oils.

Answered 9/29/2016

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Ignore: Flaxseed and chia seeds are good substitutes for fish oil.

Answered 2/18/2014

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Ignore: A healthy diet including fresh fish.

Answered 2/24/2014

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Ignore: Fish oil has never been shown to prevent heart disease.

Answered 2/26/2014

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Ignore: Exercise. Eat in moderation. Have a glass of wine at dinner tome.

Answered 2/26/2014

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Dr. Jan Lei Iwata answered

Specializes in Ophthalmology

Ignore: It's a common myth is that the best fish oils are not from sardines.

Answered 6/1/2014

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Dr. Jan Lei Iwata answered

Specializes in Ophthalmology

Ignore: The triglyceride, esther form of the fish oil is better for your body.

Answered 3/31/2014

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Dr. Linda Tao answered

Specializes in Cardiology

Ignore: Take the fish oil capsules with food for best absorption.

Answered 12/13/2014

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Ignore: Two crucial ones -- EPA and DHA -- are primarily found in certain fish.

Answered 12/31/2014

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Ignore: There's no good trial supporting its use for prevention of heart attack. Instead eat fish, exercise.

Answered 2/1/2015

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Dr. Carlos Orrego answered

Specializes in Cardiology

Ignore: No significant benefit as a daily supplement. Eating healthy and exercising add more benefit.

Answered 6/12/2017

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Dr. Elden Rand answered

Specializes in Cardiology

Ignore: The origin of the oil is not really important. Look at EPA, DHA, and the number of caplets needed.

Answered 7/13/2019

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Dr. Elden Rand answered

Specializes in Cardiology

Ignore: In comparing fish oils, look carefully at the number of capsules needed to get the advertised dose.

Answered 5/12/2019

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