But other than nori, edibleseaweed in the Porphyra genus also known as laver — which can sell for around $ 15 a kilogram — most uses of seaweeds have been low value.
The most recent study I could find: Iodine content in bulk biomass of wild - harvested and cultivated edibleseaweeds: inherent variations determine species - specific daily allowable consumption, Food Chemistry (2018)