Kelp: This is how the nutrient-rich algae works

Kelp is a type of brown algae that inhabits the coastal regions of the world's oceans. It is also known as Laminariales and grows in extremely nutrient-rich, salty waters, which is why it is bursting with vitamins and minerals. Among enthusiasts, it has long since reached cult status.

What is kelp?

The brown algae is mainly found in the cooler coastal waters of the Pacific, but also in the North and Baltic Seas. It can reach astonishing sizes of up to 60 meters and is recognized by its long, ribbon-like leaves. Laminariales is extremely fast-growing: It grows 50 cm per day.

However, the kelp you can buy in the supermarket usually comes from farms. After harvest, the algae is mostly air-dried before it is sold or processed into dietary supplements.

What is kelp good for?

The saltwater algae excels in many areas. It is packed with vitamins, minerals, and fiber. Among other things, it contains vitamins A, C, D, E, K, and B-group vitamins. It is a source of potassium, iron, and magnesium, but above all, it is an excellent source of iodine and calcium, and also contains sodium, phosphorus, copper, zinc, and sulfur.

How can the algae positively affect health?

• Support of the thyroid : Due to its high iodine content, it regulates thyroid function and supports the production of thyroid hormones.

• Improvement of bone health: The high content of calcium and magnesium strengthens the bones and reduces the risk of osteoporosis.

• Antioxidant properties: The vitamin cocktail of the algae is an antioxidant powerhouse that helps combat cell damage caused by free radicals and boosts the immune system while reducing inflammation in the body.

• Cardiovascular health: The omega-3 fatty acids lower the cholesterol levels, regulate blood pressure, and reduce the risk of cardiovascular diseases.

• Detoxification: The contained alginates can bind heavy metals and other toxins in the body. Alginates also reduce fat absorption in the body. Some studies suggest that they can inhibit the absorption of fats in the intestine by up to 75%.

• Weight management: The high fiber content promotes a feeling of fullness and aids digestion.

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Can you eat kelp?

In Chinese and Japanese cuisine, seaweed has been used as food for over 4000 years. In this country, seaweed is still relatively unknown, but in recent years it has experienced a boom as a plant-based dietary supplement.

The saltwater algae can be integrated into the diet in various ways: As a seasoning powder in smoothies, soups, and fish dishes, as a dietary supplement in capsule or tablet form, or dried as a snack.

When should you take kelp?

The time of day or form in which the saltwater algae is consumed doesn't really matter. However, it is important not to overdose, as too much iodine can be as harmful as too little iodine in the diet.

The German Nutrition Society (DGE) recommends not consuming more than 200 micrograms of iodine daily. People with a known thyroid disorder, as well as pregnant and breastfeeding women, should consult their doctor before taking it.