Sargassum

Species of this genus of algae may grow to a length of several metres. They are generally brown or dark green in color and consist of a holdfast, a stipe, and a frond.
Sodium alginate is a food additive made from the cell walls of brown seaweeds like sargassum, although it can also be made from other brown seaweeds, also known as kelp.

Sargassum as a Sea Vegetable

Sargassum can be eaten in a stir-fry as a vegetable. It is rich in minerals such as iodine which helps promote healthy thyroid function. Kelp is low in calories -- a 1-oz. serving has only 12 calories, and is fat- and sugar-free.

Sargassum as a Diuretic in TCM

Sargassum can help reduce the amount of water in the body, reducing adema, or swelling, by increasing the production of urine, notes the website Healthline. Sargassum seaweed is a common component of Tradition Chinese Medicine, and is used to treat a range of issues from thyroid problems to silicosis.

	Style: dried seaweed Specification Moisture : 33 - 35% max Impurities : 3-5% max Packing : 25 - 50kgs/bag
	Style: dried seaweed (grind)  Specification Mesh size : 3 - 12 mm Moisture : 10-12% max Impurities : 3-5% max Packing : PE 25kgs / bag
	Style: seaweed powder  Specification Moisture : 8 - 10% max Impurities : 3-5% max Packing : 25kgs/ bag
	Style: seaweed liquid  Specification Style   N : 0.40 - 0.55 % ww P2O5 : 0.15 - 0.25 % ww K2O : 0.60 - 0.70 % ww Mg     : 0.03 - 0.05 % ww S : 0.05 - 0.10 % ww Fe : 20.00 - 30.00 ppm Cu     : 10.00 - 20.00 ppm Zn     : 10.00 - 25.00 ppm Mn     :  7.00 - 15.00 ppm Boron (B) : 15.00 - 20.00 pm Humic acid : 0.70% Value : 7.5 - 9.0