Is guso vegan?

Guso is a Filipino term for an edible marine red seaweed, primarily referring to species in the genus Eucheuma, such as Eucheuma denticulatum. It is native to tropical waters and is extensively cultivated in the Philippines and other parts of Southeast Asia. To prepare it for commercial food use, the seaweed is harvested from ocean farms, washed with fresh water, and either sold fresh, preserved in brine, or dried. It is commonly found in packaged seaweed salads, pickled condiments, and regional Southeast Asian foods.

Guso is also widely farmed as a natural raw material for extracting carrageenan, a common gelling agent. This ingredient is classified as vegan because it is entirely of algal origin. Seaweed is a form of marine algae that grows without animal inputs or animal-derived fertilizers. Because neither the cultivation of guso nor its standard processing requires animal products, animal byproducts, or animal-derived processing aids, it is entirely suitable for a vegan diet.