Oysters are a dish that some people enjoy as a dish full of the taste of the sea, but for others, they are just a salty slimy ball. In fact, everyone has their own opinion about this. Some say that this is a dish with a very special, fresh taste. In Sri Lanka, we often eat these oysters raw with a few drops of lime when we go to a hotel, right? So today, let's talk about whether eating these oysters is really good for your health, or should we be concerned about this.
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What are the nutritional benefits of oysters?
Many people like to eat oysters raw, with a little lime juice. Eating them this way doesn't make much of a difference in their nutritional value. It is also said that eating them raw is more nutritious than cooking them.
Imagine, if you eat about six medium-sized oysters, this is what your body will get.
| Nutrient section | Amount contained (by weight ) |
|---|---|
| Calories | About 50 |
| Protein | 6 grams |
| Fat | 1 gram |
| Carbohydrates | 5 grams |
| Fiber | 0 grams |
In addition, oysters are a food rich in vitamins and minerals . In particular, oysters are very rich in vitamin B12 . Research has found that this vitamin B12 is very important for your brain health. It also contains several other valuable nutrients.
What are the health benefits of eating oysters?
Oysters are considered a healthy food by many people because they are low in calories and high in micronutrients. Many of the benefits of eating oysters are linked to the valuable vitamins and minerals they contain.
Very good for brain health
As we mentioned earlier, oysters are a good source of vitamin B12 . This is why eating oysters can help keep your brain healthy. Vitamin B12 deficiency has been linked to conditions like dementia, especially Alzheimer's disease. Not only that, vitamin B12 deficiency can also lead to mental health problems like depression and suicidal thoughts.
Helps strengthen bones
Oysters are a good source of vitamin D, copper, zinc, and manganese. These nutrients, when combined with calcium, are thought to help reduce or prevent bone loss due to osteoporosis , a condition that affects aging women.
Most importantly, it is said that it is more effective to obtain these minerals from food rather than taking them as supplements.
Prevents selenium deficiency
Oysters are naturally rich in selenium. Selenium is a mineral that our bodies need in very small amounts to function. However, too much of it can be toxic. Additionally, selenium deficiency has been linked to conditions such as heart disease, infertility, and cognitive decline.
The risks and dangers of eating oysters
Although oysters are a nutritious food, they are not without risks. There is one serious issue that we should be especially concerned about. That is the risk of food poisoning caused by oysters.
Risk of food poisoning
Since oysters are often eaten raw, there is a high risk of bacterial infections. One dangerous type of bacteria that can be found in oysters is Vibrio vulnificus . Infections caused by this bacteria can sometimes be fatal.
Unfortunately, there is no easy way to tell if the shellfish on your plate is infected or not.
Serious symptoms begin to appear within 24 to 48 hours of being infected with this bacteria. These symptoms include:
- Fever
- Shivering due to cold
- Nausea
- Vomiting
- Diarrhea (stomach ache)
- Shock
People at highest risk of developing serious complications from this bacterial infection include cancer patients, diabetics, and those with liver disease. This risk is particularly high in those with alcoholic liver disease.
But remember, even someone who doesn't have this disease can get this infection. So, if you develop any of these symptoms after eating raw oysters, see a doctor immediately without delay. If the symptoms are severe, for example, if you are losing consciousness, go to the Emergency Department (ETU) of the nearest hospital immediately.
💡 Take-Home Message
- Oysters are a low-calorie food that is rich in valuable nutrients like vitamin B12, zinc, copper, and selenium.
- However, eating raw oysters carries a risk of serious food poisoning , especially from a bacteria called Vibrio vulnificus, which can cause fatal infections.
- It is safest for people with cancer, diabetes, or liver disease to avoid eating raw oysters altogether.
- If you develop symptoms such as fever, vomiting, or diarrhea after eating raw oysters, see your doctor immediately.
- You can't tell if a shellfish is infected by looking at it, so think twice about the risk.
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