Nutrition

Oyster Nutrition Facts And 17 Health Benefits

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Oysters are not just about their tangy flavor with a hint of lemon; they're also packed with nutrients. These ocean treasures are full of essential vitamins and minerals.

But beyond their exotic appeal, what exactly can oysters do for your health? We've got you covered. Discover the benefits of oysters and tips on incorporating them into meals.

Oyster Nutrition Facts

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While being low in calories, oysters are high in protein, good fats, vitamins, and minerals. According to the Department of Agriculture, 100 grams (g) of raw Pacific oysters contains the following nutrition:

  • Calories: 81 kilocalories
  • Protein: 9.45 g
  • Fats: 2.30 g
  • Carbohydrates: 4.95 g
  • Zinc: 16.6 milligrams (mg)
  • Copper: 1.58 mg or 176% of a person’s daily value (DV)
  • Vitamin B12: 16 micrograms (667% of DV)
  • Iron: 5.11 mg (28% of DV)
  • Magnesium: 22 mg (5% of DV)
  • Potassium: 168 mg (4% of DV)
  • Selenium: 77 mcg (140% of DV)

Here are the potential Health Benefits of eating oysters:

1. High In Protein

Protein content in a single serving of raw oysters ranges from 2 to 8 grams, and if you choose larger oysters, it can even exceed 10 grams. 

By regularly eating oysters, your body will have enough protein to maintain and repair cells, keeping you healthy. These numbers may not seem as impressive as your daily protein shake, but you have to keep in mind that you're getting this amount of protein from a food source with very low calories.

2. Rich in Omega-3 Fatty Acids

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The human body requires omega-3 fatty acids, which are exclusively obtained through diet. Because of their well-known anti-inflammatory qualities, eating them can lower your chance of developing long-term conditions including heart disease and stroke.

Omega-3 fatty acids, which are critical for preserving heart health and lowering inflammation in the body, are abundant in oysters. Furthermore, the omega-3 fatty acids in oysters have been shown to enhance mood and skin health as well.

3. Contains Beneficial Antioxidants

Selenium and vitamin C, two advantageous antioxidants that shield cells from damage caused by free radicals, are abundant in oysters. Antioxidants are essential for increasing immunity and decreasing inflammation, which facilitates faster healing from wounds and illnesses.

For instance, selenium improves metabolic function and aids in the synthesis of thyroid hormones. Therefore, eating oysters can improve general health by reducing oxidative stress and encouraging quicker recovery and stronger immunity.

4. Promote Heart Health

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Omega-3 fatty acids (EPA and DHA), which are critical for heart health, are abundant in oysters and most shellfish. The National Library of Medicine's medical specialists state that omega-3 fatty acids can prevent stroke and aid in maintaining heart health. They can also help decrease blood pressure and are great for preventing heart disease.

Additionally, studies have demonstrated that omega-3s enhance memory and various other severe problems. Therefore, it's critical to obtain Omega-3 fatty acids from the foods in your diet because your body cannot produce them on its own.

5. Good For Thyroid Function

Oysters are extremely high in zinc, a nutrient that plays an essential role in thyroid and hormonal function. Zinc helps to produce thyroid hormones that are necessary for metabolism, growth, and energy.

Maintenance of sufficient zinc is useful in controlling hypothyroidism and thyroid health in general. It also plays a role in the conversion of the thyroid hormone T4 to T3 to facilitate effective hormone usage. The normal functioning of thyroid hormones can thus be maintained by the regular intake of zinc rich oysters.

6. Support Mental Health

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Consuming oysters is good for your mental health. They include a lot of vitamin B12, which promotes cognitive function and lessens brain shrinkage. Furthermore, oysters are a great source of zinc, which is essential for a healthy immune system and can elevate mood.

Oysters are a great dietary option for maintaining mental health since they contain a variety of nutrients that assist brain health and general mental well-being. These advantages are emphasized by The New York Times and other research, demonstrating the positive impact of oysters on mental health.

7. Support Weight Loss

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Oysters' proteins may aid in controlling or lowering body weight. High-protein meals may help with weight loss, decrease energy consumption, and increase satiety, according to research.

Ghrelin, or the hunger hormone, and cholecystokinin (CCK) are the two hormones primarily responsible for this activity. The hormone that causes hunger, ghrelin, is secreted by the walls of the stomach and its levels drop after a meal.

Similar to this, after eating, especially after consuming protein-rich foods, CCK is created in the upper small intestine. The brain is alerted to the fact that enough food has been consumed and satiety is initiated by these elevated levels of CCK and decreased levels of ghrelin.

8. Great Source of Electrolytes

Oysters are a great provider of electrolytes, especially sodium and potassium. These electrolytes are essential for preserving the body's fluid balance, guarding against dehydration, and promoting healthy cell activity.

Sodium supports neuron function and fluid equilibrium, whereas potassium helps control heartbeat and muscle contractions. Including oysters in your diet will help you satisfy your electrolyte requirements, stay hydrated overall, and ensure that your body's systems are operating at optimal efficiency.

9. Excellent Source of Zinc

As discussed earlier, oysters are a great source of zinc; just three medium-sized oysters can provide you with over 100% of your daily recommended intake. Zinc is essential for many aspects of health, including preventing oxidative stress, maintaining eye health, strengthening the immune system, and aiding in the absorption of nutrients.

Frequent consumption of foods high in zinc, such as oysters, can have a major positive impact on one's general health by supporting cellular function, immune system resilience, and general health maintenance.

10. Provides B Vitamins

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B vitamins, especially vitamin B12, which is essential for many body processes, are abundant in oysters. Healthy energy levels, memory, skin health, mood regulation, and digestion are all supported by vitamin B12.

It is essential for the body's principal energy source, glucose, to be formed from carbs. Sufficient consumption of B12, such as that found in oysters, is important for preserving general health, red blood cell synthesis, neurological function, and effective food utilization.

11. May Help Manage Blood Sugar Levels

Foods high in protein, such as oysters, can help control blood sugar levels and enhance satiety. Research suggests that meals rich in protein can potentially reduce long-term blood sugar variations in people with type-2 diabetes by lowering hemoglobin A1c (HbA1c) levels.

Over time, these diets have also been linked to reduced blood pressure and weight loss. Although encouraging, more investigation is required to completely comprehend the degree of protein's influence on blood sugar regulation and its long-term consequences.

12. Treat Dysfunction In Men

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Raw oysters are often associated with aphrodisiac properties, although scientific evidence supporting this notion is limited. Zinc, abundant in oysters, plays a role in testosterone production; deficiency can lower testosterone levels, potentially contributing to erectile dysfunction.

Studies suggest that zinc supplementation, such as that found in oysters, may increase testosterone levels in older men, enhancing libido. Additionally, zinc therapy improved sexual competence in male rats, highlighting the potential benefits of zinc-rich foods like oysters for male sexual health.

13. Aid In Embryonic Growth

There are specific nutrients such as omega-3 fatty acids that play important roles in fetal development, gestational length, fetal brain, and retinal development, in pregnant women. They can improve the overall health of the fetus, increase the birth weight, and possibly prolong pregnancy if pregnancy is a concern.

However, more investigation is needed to explain and support these effects effectively. However, better science apart, including foods high in omega-3s, like oysters, in the maternal diet may not affect embryonic development and pregnancy outcomes negatively altogether.

14. Strengthen Bones

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Oysters are beneficial to the bones since they contain the calcium needed to form bones. Also, they contain vitamin D which is also important in the absorption of calcium which is useful in maintaining bone density and preventing conditions like osteoporosis that may lead to frailty in the elderly population and increased frequency of bone fractures.

The consumption of oysters in a meal provides benefits in enhancing bone strength since the nutrients needed for bone strength are as sourced from the foods and the possibility of bone-related complications when aging is reduced.

15. Prevents Anemia

Oysters are possibly the best sources of iron that is easily absorbed into the body and hence recommended for anemic individuals. It is also important to mention that iron from animal and fish foods for example oysters and other sea foods is absorbed in the human body 2-3 times more than the iron from plant foods.

This makes oysters valuable in the fight against iron-deficient breathing and the best formation of hemoglobin. Moreover, vitamin B12 that exists in oysters helps to cure macrocytic anemia, enlarging the information and perspective of anemia through diet.

16. Good For The Skin

Oysters are useful for the skin as they help fight acne and have beautiful skin. Acne is associated with low zinc levels and oysters stop acne bacteria proliferation, diminish redness, and eliminate clogs. 

Further, oysters are also part of skin repair through collagen synthesis needed to retain skin tautness and firmness. Consuming oysters can help improve the quality of the skin by treating the root causes of issues such as zinc deficiency and encouraging skin renewal and healing.

17. Improves The Sleep

Eating oysters means a better night’s sleep since these foods are rich in zinc and magnesium. Both minerals are essential for regulating the circadian rhythm and thus sleep quality. Zinc also regulates neurotransmitters that may be involved in sleep/wake cycles while magnesium is involved in the relaxation of muscles before sleep.

Sleep is vital to the proper functioning of the brain as well as the repair and re-energization of cells and body tissues, and the inclusion of oysters, which contain sleep-facilitating minerals, can go a long way in improving sleep and general health.

What Is Oyster?

A class of bivalve mollusks found in brackish or marine waters are called oysters. They play a crucial role in ecology by removing pollutants from the water and creating habitat for other marine life.

Oysters of certain varieties can be consumed raw or cooked. Aphrodisiacs: these mollusks are said to provide several benefits for the health of the user, including increased testosterone levels.

How To Prepare Oyster?

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Oysters can be cooked in different methods depending on the preparation technique that one is using or the preferred way of cooking. Here's a basic guide to preparing oysters:

  • Inspect: To begin with, take a look at the oysters. Avoid buying shellfish with cracked shells or shells that are in any way broken.
  • Boiling/Steaming: They can be cooked using boiling water in a pot or using a steamer. Cook them in boiling water or steam them until the shells open, within a few minutes.
  • Cooking Time: Once the shells are opened, further boil for an additional 3-5 minutes or steam for an additional 4-9 minutes until well cooked. This step is important to eliminate any unhealthy bacteria that may be in the raw materials.
  • Discard Unopened Oysters: Only consume oysters that are completely opened during the cooking process. You should reject any oysters that have not opened as they may be unfit for consumption.
  • Serve Safely: When the oysters have cooked, you can garnish them with the desired spices and condiments like lemon, garlic butter, or cocktail sauce.

By following these easy steps and making sure that oysters are fully cooked and opened during the cooking process, you can enjoy them safely without the potential risk of foodborne illness.

Final Words

Oyster consumption carries some dangers, although these can be minimized with careful preparation and storage. You may be able to take advantage of oysters' distinct flavor and potential health benefits by eating them in moderation and adhering to food safety regulations. 

However, keep in mind to prepare them thoroughly and be aware of any allergy or intolerance symptoms. Before including oysters in your diet, please speak with a healthcare professional if you're unsure.