Hijiki is a distinctive jet-black sea vegetable that grows on the ocean ?oor in long thin strands. It is most widely popular as an ingredient in Japanese cuisine. It is naturally rich in ?avour with a delicate texture.Sea vegetable is naturally rich in iodine. People sensitive to the effects of iodine are advised to seek medical advice before consuming this product. Due to the nature of the product, this may contain a trace amount of fish, molluscs and/or crustaceans.