Seagreens - Artic Wrack

Seagreens - Artic Wrack photo

Ascophyllum nodosum

Common name: Arctic wrack, Rockweed, Norwegian Kelp, Knotted Kelp, Knotted Wrack or Egg Wrack

Arctic wrack enhances metabolic functioning, nourishes the thyroid and aids the clearing of excess weight. It delivers 325micrograms of iodine every day enhancing cognitive, energy-yielding metabolism and thyroid hormone production.

Botanical Description

Arctic wrack is a brown seaweed. It forms characteristic single bladders on long, strap-like fronds which hang downwards on rocks commonly found in sheltered and intertidal regions. Arctic wrack is, generally, confined to the North Atlantic basin. Arctic wrack is cultivated in regions of Norway, Ireland and Iceland, where the beds of seaweed are cut on 4-5 year cycles.

How it Works

Over the course of this plants evolution, it has developed an ability to generate organic matter from inorganic matter in addition to being able to effectively store these materials in the form of mineral salts. The plant will utilise these stores to synthesize amino and nucleic acids and also protein.

Interestingly, the ion structure of Arctic wrack is very close to human blood plasma and interstitial fluid within the body; this makes it relatively easy for our body to consume and absorb the nutritional benefits this plant provides.

Arctic wrack contains macronutrients such as calcium, phosphorous, nitrogen, sulphur, magnesium and potassium but also contains micronutrients such as copper, manganese, zinc and iron. It is also a host for amino acids, proteins, polysaccharides and organic acids. 

Arctic wrack is also a strong antioxidant that provides effective free radical protection.

Into the Heart of Arctic Wrack

One of the primary advantages of Arctic wrack, is that the vitamins and minerals contained within in are all in their organic, natural form. This allows the body to ‘pick and choose’ which nutrients it is deficient from and absorb only what it needs. Anything the body does not require is metabolised out of the system.

Seaweeds are considered to be the most nutritious vegetable on the planet. The soothing, mucilaginous properties of seaweeds rejuvenate the lungs and gastrointestinal tract encouraging healthy digestion and elimination. It supports the digestive process by facilitating the absorption of nutrients and increasing beneficial intestinal lactobacilli. Being many times richer in calcium, iron, magnesium and iodine than any land vegetable, its positive effects on metabolism enhance the assimilation of its own rich nutrient and phyto-nutrient content and those from dietary sources.

Arctic wrack boosts thyroid function, circulatory health and would be a valuable support in the treatment of a range of degenerative conditions.


Digestive & Metabolic: Arctic wrack is indicated in all forms of nutritional and blood based deficiency, including anaemia, due to its abundant nutritional profile. It is particularly balancing to the metabolism and will help support blood sugar imbalances, diabetes cholesterol imbalances and thyroid imbalances.

The iodine content of Arctic wrack indicates it for thyroid function, particularly hypo-thyroidism, where it will improve thyroid efficiency and help it to achieve a state of regulation and balance.

The soothing and mucilaginous nature, characteristic of most seaweeds also indicates it in any form of excess heat and hot irritation, particularly within the digestive tract. The mucilaginous portion also makes it an effective laxative for hot and dry constipation.

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