How is Fish Oil Good For Your Eyes?

How is Fish Oil Good For Your Eyes?

Is fish oil good for your eyes? Still, struggling with this question and doesn’t found anything worth convincing? Don’t worry you landed on the correct page.

Yes, fish oil is good for your eyes do you know why? Read below.

The oil we get from fishes is nothing but the mix of omega-3 fatty acids and other oil which can be found inside the tissues of fishes, some oily fishes do contribute more oil extraction to our body, fishes like- herring, salmons, sardines, mackerel, trouts, pilchards and sprats.

Some oils obtained from the livers of fishes and called cod liver oil. The common cod liver oil source fishes are codfishes, Atlantic cod, and pacific cod.

Omega-3 from fish oils contain EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid).

Now you are much familiar with the oils which your body is getting and the sources. But the question ” is fish oil good for your eyes” doesn’t change a bit. Yeah I know to understand more clearly you first have to know the oils and fish sources from where you are getting it.

why is fish oil good for your eyes

Why Is Fish Oil Good For Your Eyes?

Yes, as I already tell you in starting. These are perfect remedies for the dry eyes if your experiencing dry eye issues eating fishes rich in omega-3 oils are one of your best bet you can make. Or you can also buy those yellowish capsules from the nearest medical store.

According to Healthline, Studies are done with omega-3 fatty acids also suggest that they do help you get rid of dry eye symptoms by relieving them with anti-inflammatory actions.

Dry eyes are often the periods of difficulty for people of older ages when the eyes are not sufficiently producing moisture by tears. Some medical conditions like allergic eye disease, rheumatoid arthritis, etc, and Vitamin A deficiencies also lead you to suffer from dry eyes.

Some eye diseases like age-related macular degeneration (AMD), can be prevented by consumption of cod liver oil. It is a good source of omega-3 and Vitamin A both of which do well in maintaining eye health.

Vitamin A protects the eye as it is an antioxidant it is like a barrier to any oxidative damage, while the omega-3 is advantageous for glaucoma patients.

Research done by scientists proves that cod liver oil is the more effective combined source of omega-3 and Vitamin A than single supplementation sources. While the clear efficacy and effectiveness of cod liver oil are yet to be determined.

How Much is Fish Oil Good For Your Eyes?

Know you understand why is fish oil good for your eyes you may be thinking of the amounts of it like how much amounts of fish oil you can consume daily.

And it is worth to be considered because too much fish oil consumption can reverse the benefits it.

WHO recommends 200-500 mg of daily intake of both EPA and DHA. While the intake can be increased in certain situations like at the time of pregnancy and heart diseases which is 300 mg of EPA and DHA per serving.

Look what the FDA recommeds!

According to FDA recommendation, daily intake of both EPA and DHA should not exceed 2,000 mg per day.

side effects of fish oil

Some Side-effects Of Too Much Fish Oil Consumption

Taking fish oil to benefit dry eyes is good but don’t over consume it. More of its consumption than the daily recommendation by WHO can make you suffer from other body problems which you don’t even want to.

Hemorrhagic Stroke

In this condition, the blood vessels which are inside the brain got ruptured. After studies were done on animals, it was estimated that high omega-3 fatty acids intake can increase the chances of hemorrhagic stroke by reducing the blood’s capacity to form a clot.

Increasing Blood Sugar

High doses of omega-3 can increases the sugar presence in blood by increasing glucose production.


Although taking omega-3 in considerable amounts is good for quality sleep. More of its consumption can worsen sleeping conditions. Several case studies are on the web stating the good and bad effects of high omega-3 on sleep.

Low Blood Pressure

Fish oil is found to lower blood pressure. A comparative study done by taking 90 people the effect of fish oil compared with the effect of placebo is done.

Findings show that by consumption of omega-3 fatty acids daily the systolic and diastolic blood pressure decreases.

Acid Reflux

It’s not common to everyone as fish oil benefits heart health, in some people too much fish oil consumption shows symptoms of acid refluxes. Belching, nausea, and stomach irritability are some common clues.

Thinning of blood

Fish oil is a natural known anticoagulant however too much of its consumption can make your nose and gums to bleed.


Sometimes, diarrhea can be caused by too much fish oil and flaxseed oil consumption. And also because people take it sometimes empty stomach so remember to prioritize your diet and meals first.

Toxicity of Vitamin A

Sometimes overdo of omega-3 supplementation can induce Vitamin A toxicity to the body. This builds up over time and after too much Vitamin A accumulation it leads to chronic toxic conditions affecting the brain and liver.

Fishes You Can Try


From salmon, we get salmon oil which is rich in omega-3 fatty acids components like EPA and DHA. These components benefit the body by reducing heart disease conditions, strengthening brain functions, and decrease inflammation.


Mackerel is enriched with vitamins and minerals and heart-healthy omega-3 components. Omega-3 is an important factor or nutrient for good brain health, it also keeps cardiovascular diseases at rest.


Omega-3 fatty acids and sardines can’t be forgotten these fishes composed ridiculous amounts of omega-3 fatty acids. Heart-related conditions can be suppressed like lower blood pressure, clot, and patients having a history of heart attacks.


Tuna is mostly the choice of people among all fishes because of its health advantages to the body. It does not lead your heart problems like clot formation in arteries to spike up.

Also, the omega-3 in it reduces omega-6 presence in the body, high omega-6 fatty acids contribute to clot formation and will make your heart worse.

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Frequently Asked Questions

Does fish oil improve vision?

The omega-3 fatty acids in fishes do promote vision and reduce dry eye symptoms they do help and support the oily layer of the eye.

Which fish oil is best for eyes?

Fish oil containing omega-3 fatty acids, inside which components like DHA and EPA are in good amounts do benefit eye health.

According to FDA, daily intake of DHA and EPA (components of omega-3) should not exceed 2,000 mg per day.
WHO recommends no more than 300 mg of DHA and EPA per serving.

Can fish oil cause eye problems?

Too much fish oil means too much omega-3 into the body. Studies show that too much omega-3 causes toxicity of vitamin A which shows the symptoms of blurred vision.

Are there any side effects to taking fish oil?

If the fish oil consumption is higher it can lead to other health illness like too much omega-3 fatty acids inside the body can discomfort the stomach, diarrhea, insomnia, hemorrhagic stroke, thinning of blood, acid reflux, increase blood sugar and many other side effects can be seen on overconsumption of fatty acids.


The fish oil benefits to the eye are briefly explained with good scientific evidence. It shows how DHA and EPA in omega-3 are advantageous to the body.

However, consumption of fish oil within certain limits is necessary over-consumption of it can harm your health potential side effects are discussed, and at the end some fishes and their benefits you can try.

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