If stored in the cool, dry place, the answer is no. Mold needs moisture to grow, among other things. Dried seaweed contains no moisture. Top 3 Things Mold Needs to Grow. read more
All organic matter when stored without ventilation and/or at high humidity will have mold growing on it sooner or later. Depending on the conditions it is more sooner than later. read more
MODIFILAN, one of the brown seaweed supplements is a pure, natural product made from the brown seaweed Laminaria Japonica. An extract of this seaweed contains organic iodine, alginates, fucoidan and laminarin. read more