Sea Tangle
The classic mineral-rich kelp (Kun Bu) — Sea Tangle softens hardness, dissipates nodules, drains water, and delivers the deep, iodine-rich nourishment of the sea.
What Is Sea Tangle?
Sea Tangle (Kun Bu, 昆布) is the mature, broad frond of the kelp plant — a deep-brown sea vegetable harvested from cool coastal waters. It is one of the most familiar and treasured seaweeds of East Asian cuisine, lending a rich, savoury depth and a wealth of minerals to soups and broths.
Salty and cold in nature, Sea Tangle enters the Liver, Stomach, and Kidney channels. In Traditional Chinese Medicine it is a classic herb for softening hardness and dissipating nodules — historically the foremost remedy for goitre and phlegm-related lumps — as well as for draining water and reducing swelling. Exceptionally rich in iodine, alginate, fucoidan, and trace minerals, Sea Tangle nourishes thyroid and metabolic health and is a cornerstone of mineral-rich confinement and recovery soups.
History & Origin
Sea Tangle, or Kun Bu, has been one of the most important medicinal seaweeds in Chinese medicine for over a thousand years, long before the cause of goitre was understood.
Traditional Uses
Softens Hardness & Dissipates Nodules
The foremost action — softens hardness and dissipates phlegm nodules, the classic TCM remedy for goitre and lumps from phlegm accumulation.
Drains Water & Reduces Swelling
Promotes urination and drains excess water to relieve oedema and water retention.
Cools Heat
Its salty-cold nature clears heat and helps balance a warm constitution.
Mineral Nourishment
An exceptional natural source of iodine and trace minerals supporting thyroid and metabolic health.
Health Benefits
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Iodine & Mineral RichOne of the richest natural sources of iodine and trace minerals, supporting thyroid and metabolic function.
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Softens & Dissipates NodulesThe classic salty-cold action that softens hardness and resolves phlegm accumulation.
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Drains WaterPromotes urination and helps reduce swelling and water retention.
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Cardiovascular SupportAlginate and fucoidan studied for supporting healthy circulation and cholesterol balance.
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Dietary FibreRich in soluble seaweed fibre that supports digestion and gut health.
Soups Featuring Sea Tangle
Sea Tangle is a key ingredient in this Food Art no-cook herbal soup, thoughtfully formulated to deliver its nourishing benefits in a convenient, ready-to-brew format.

The information on this page is for educational and informational purposes only and is not intended as medical advice. Please consult a qualified healthcare practitioner before using any herbal products.





