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Seaweed is rich in potassium, fiber, omega 3, flavonoids and carotenoids, having health benefits such as helping with weight loss and improving heart health. In addition, seaweed has antioxidant and anti-inflammatory properties and is useful in the treatment of stomach ulcers and for improving skin health.

Seaweed can be eaten in salads, soups, juices or in sushi. When you don’t like the taste of seaweed, it is possible to have all its benefits in capsules, and they are also used as a food supplement. However, the capsules must be indicated by the nutritionist because it is important that an assessment of the person’s nutritional levels is made and, thus, indicate the best supplement and the appropriate amount.

Seaweed must be stored according to the manufacturer’s rules, however, some types of seaweed can be stored for up to 8 days in the refrigerator and up to 6 months in the freezer.

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The main health benefits of seaweed are:

  1. Improves brain function

Seaweed can be useful for improving brain function because it is rich in omega 3, which is an essential fat for its proper functioning. In addition, because they contain antioxidant properties, seaweed can protect brain cells and help improve memory. Know other foods that are good for the brain.

  1. Help with weight loss

Seaweed is rich in fiber, which helps to increase satiety and reduce appetite, preventing overeating and helping with weight loss. In addition, seaweed has thermogenic properties, which helps to stimulate the metabolism and increase the calories expended per day.

  1. Improves heart health

Due to carotenoids, seaweed helps prevent heart disease and improve heart health. Its antioxidant property helps to eliminate free radicals that can be harmful to cells, helping to keep the heart healthy and protected.

In addition, seaweed is rich in fiber, which helps to lower bad cholesterol levels, preventing fatty plaques from accumulating in the vessels. As they are rich in potassium, seaweed reduces blood pressure and, consequently, decreases the risk of possible heart complications, such as heart attack. See other ways to improve heart health.

  1. Helps in the treatment of stomach ulcers

Seaweed can be useful in the treatment of stomach ulcers because it has antioxidant and anti-inflammatory properties that help to repair stomach injuries, renew tissue and protect cells.

  1. Speeds up metabolism

Seaweed has a thermogenic action and is rich in flavonoids which are compounds that speed up metabolism, favoring the expenditure of calories throughout the day and facilitating the burning of fats. Know other foods that speed up metabolism.

  1. Keeps skin healthy

Due to their anti-inflammatory and antioxidant properties, seaweed acts to reduce possible inflammation of the skin, such as folliculitis or cellulite, and allows the skin to renew itself, improving its health. In addition, seaweed is rich in omega 3 which helps prevent possible sun damage and premature skin aging, keeping it protected and healthy.

Nutritional information

The following table shows the amount of nutrients in 100 g of seaweed:

Nutrient Quantity in 100 g 
Energy 41 kcal 
Carbohydrate 7,94 g 
Fibers 0,7 g 
Total fats 0,49 g 
Carotenoid beta 1136 µg 
Sodium 384 mg 
Potassium 165 mg 
Proteins 3,51 g 
Calcium 129 mg 
Iron 2,28 mg 
Magnesium 77 mg 
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How to consume

To guarantee the benefits of seaweed, they can be consumed in salads, in soup, in sauces or in vegetable stews. In addition, it is possible to obtain the benefits of algae through the consumption of supplements containing seaweed, which must be taken according to the nutritionist’s guidance so that you can indicate the daily amount to be taken according to the objective and nutritional need.

Seaweed is rich in vitamins and nutrients as mentioned above and in addition, according to nutrition experts, they can obtain an incredible wealth of minerals from the sea, which represents up to 39% of its dry mass.

When eating seaweed, you can expect to consume the following vitamins and minerals: Carbohydrates, Fiber, sugar, calories, protein, vitamins, choline, acid, niacin, pantothenic acid, riboflavin, Thiamine, vitamin A, vitamin C, vitamin E, vitamin K , calcium, copper, iron, magnesium, manganese, phosphorus, potassium, selenium, sodium, zinc.

They also help prevent cancer and treat skin and hair diseases. They are plants rich in nutrients, such as iodine, calcium, phosphorus, magnesium and iron; in addition, seaweed also contains vitamin K, which is anti-hemorrhagic and improves the health of the gastrointestinal system.

Two substances found in several species of seaweed have antioxidant and photoprotective characteristics. They are carotenoids (organic pigments) and mycosporins (a type of amino acid). Thus, with these substances from seaweed, it would even be possible to produce sunscreens and natural antioxidants (which serve to fight free radicals that can cause various health problems).


Seaweed are photosynthetic organisms, live predominantly in an aquatic environment (oceans) and contribute significantly to the production of available oxygen. The seaweed also serve as a shelter for countless marine animals, thus playing a major role in ecosystems. Algae were one of the first beings to inhabit the planet and today they are used for various purposes.

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