Oysters: Nutrition Facts and Health Benefits

Oysters: Nutrition Facts and Health Benefits


Seafood is one of the richest sources of nutrients for human health.

Since ancient times, civilizations have blossomed near the water which brings a huge number of foods for people.

Oysters are among the most nutritious and beneficial seafoods.

In fact, there is a wide range of different types of oysters with more than 200 species.

Only some of them serve as food.

The presence of oysters in human meals has existed for over 700 years.

The part we can consume in oysters is its meat inside hard shells. There are countless methods to cook oysters.

Oysters play a vital role in the ecological system because their valves have the ability to cleanse pollutants.

Nevertheless, lately, there has been a remarkable decrease in the number of oysters in the ocean, which affects negatively the environment.

Nutrition Facts

Oyster: Nutrition Facts

Now we have a more detailed analysis of oysters nutrition facts.

Oysters have a relatively low amount of fat (1).

However, interesting oysters nutrition facts including the presence of omega-3 fatty acids.

Even though existing in minimal amount, it still has positive impacts on our health.

On the other hand, oysters are full of important proteins, vitamins and minerals.

You can get a lot of vitamin C, D, B12, niacin, thiamine, or iron, manganese, selenium…

Above all, the most important oysters nutrition facts should be the richness of zinc.

Oysters deserve top position in the list of foods with considerable content of zinc.

Health Benefits of Oysters

There are many reasons to include oysters in your diet regularly.

Here are top 6 health benefits of oysters that will definitely provide you with a sustainable seafood from now on.

1. Improve Libido

As oysters might work as an aphrodisiac, one of the best health benefits of oysters is to promote the libido, especially for male.

This mainly results from the impressive amount of zinc in oysters, that is even higher than an ordinary person’s daily need by 1,500 percent.

Many studies have illustrated the link between the lack of zinc and sexual issues, such as erectile dysfunction or impotence (23).

Thus, the provision of a great container of zinc, such as oysters, is a good way to strengthen men’s performance in bedroom (45).

Specially, for those who do not like seafood such as oysters, there are many other sources of zinc, like Maple Syrup.

Bottom Line: Oysters are a natural cure for people, especially men, who struggle with sexual dysfunction.

2. Blood Circulation

If zinc are responsible for oysters health benefits on sexual performance, then benefits of oysters on the blood come from iron.

Oysters also contain a remarkable content of iron that might satisfy 90 percent of an ordinary person’s daily need.

Iron plays an essential role in releasing red blood cells.

Without iron, there is a higher likelihood that you might suffer from anemia with some annoying symptoms, such as fatigue or muscle weakness (6).

Furthermore, as there are more healthy blood cells, organ systems will receive a higher amount of oxygenerated blood and function better.

As a result, there will a significant improvement in our body’s metabolism.

Bottom Line: With a richness of iron and other nutrients, oysters can have great impacts on the blood circulation.

3. Heart Health

Oyster: Heart Health Improvement

There are many nutrients responsible for benefits of oysters on the heart health.

But in general, fatty acids are the main contributor.

Specifically, with a substantial amount of omega-3 fatty acids, oysters can promote the number of good cholesterol and hinder the increase in bad cholesterol (789).

This will prevent these cholesterols from concentrating on the arteries, which raises the blood pressure dramatically.

Moreover, minerals in oysters are supportive for the cardiovascular system as well.

Magnesium and potassium also have positive influence on reducing blood pressure and relieving tension in blood vessels (101112).

Additionally, oysters provide vitamin E that might make cellular membranes stronger and more flexible (131415).

Bottom Line: Oysters can improve your heart health in many ways, lowering the risk of cardiovascular diseases.

4. Immunity

One of top health benefits of oysters that anyone can take advantage of is to boost the immune system.

It is undoubted that oysters have this quality because of their abundance of vitamin C.

Nonetheless, it is not all about vitamin C.

Vitamin E also takes part in the fight against harmful impacts of free radicals that might develop into cancer (1617).

In addition, anti-inflammatory and antioxidant minerals present in oysters are active agents in containing free radicals as well.

By limiting free radicals, oysters can help them stay away from mild and complicated problems.

Bottom Line: A number of vitamins and minerals with antioxidant quality in oysters make it perfect for boosting the immunity.

5. Bones

The nutritional profile of minerals in oysters is impressive enough for us to believe in benefits of oysters on bone health.

Containing much calcium, oysters are undeniably important to maintain strong bones (18).

Besides, others, such as zinc, selenium, iron and copper, have great impacts on bone durability and density (1920).

They are also associated with the osteoporosis prevention (2122).

Bottom Line: Oysters which are full of minerals can be a great asset for your bone health.

6. Wound Healing

Not only does zinc take part in the improvement of sexual performance, but it is also responsible for benefits of oysters on the healing of wounds (23).

It is also beneficial for your immune system to prevent or deal with infections caused by virus or bacteria.

Side Effects

As oysters have the ability to cleanse the surrounding environment, they might absorb pollutants and even toxins.

Thus, it is important for you to pay attention to the use of oysters.

You had better select oysters from a reliable source in order to avoid poisoning.

On the other hand, as a result of too high amounts of minerals, oysters may make you suffer from some problems.

For example, iron toxicity is a common cause of hematochromatosis which is life-threatening.

Plus, oysters provide much sodium, which is not good for those suffering from heart disease.

Last but not least, even though allergies are rare, it does not diminish the possibility that you might experience allergic reactions due to oysters.

It is a good idea to check your conditions and control your consumption.


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Oysters Nutrition Facts

Oysters Health Benefits

Oysters Health Benefits

Oysters Side Effects

Disclaim: The effectiveness from using these foods on certain problems and diseases will be depended on the body condition of the applicant.

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